======================================
| xx__-> [   16.314324][  T251] ip (251) used greatest stack depth: 24208 bytes left
| [   19.132515][  T298] ------------[ cut here ]------------
| [ 19.133093][ T298] WARNING: CPU: 2 PID: 298 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.133742][  T298] Modules linked in: vrf veth
[   19.135066][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.135473][ T298] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.135806][ T298] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.137191][  T298] RSP: 0018:ffffc900005e7140 EFLAGS: 00010246
[   19.137599][  T298] RAX: 0000000000000000 RBX: ffff888008cb9000 RCX: 0000000000000001
[   19.138082][  T298] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   19.138554][  T298] RBP: ffffc900005e7230 R08: ffff88800bacb800 R09: 0000000000000000
[   19.139016][  T298] R10: ffffc900005e75c8 R11: ffffffffb6250668 R12: 1ffff920000bce2c
[   19.139505][  T298] R13: 00000000000026ac R14: ffffc900005e7880 R15: ffff888004ce11e0
[   19.139959][  T298] FS:  00007f141520b800(0000) GS:ffff88807edb7000(0000) knlGS:0000000000000000
[   19.140530][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.140918][  T298] CR2: 00000000004e5aa0 CR3: 000000000a47c001 CR4: 0000000000772ef0
[   19.141376][  T298] PKRU: 55555554
[   19.141643][  T298] Call Trace:
[   19.141885][  T298]  <TASK>
[ 19.142054][ T298] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.142372][ T298] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.142692][ T298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.143005][ T298] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.143316][ T298] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.143640][ T298] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.143960][ T298] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.144275][ T298] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.144683][ T298] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.144988][ T298] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.145293][ T298] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.145613][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.145929][ T298] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 19.146238][ T298] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.146627][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.146935][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.147241][ T298] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.147557][ T298] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.147865][ T298] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.148168][ T298] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.148480][ T298] ? __create_object (mm/kmemleak.c:771) 
[ 19.148789][ T298] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.149116][ T298] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.149420][ T298] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.149844][ T298] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.150161][ T298] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.150484][ T298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.150787][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.151102][ T298] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.151409][ T298] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.151746][ T298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.152053][ T298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.152355][ T298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.152697][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.153011][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.153322][ T298] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.153641][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.153947][ T298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.154263][ T298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.154596][ T298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.154904][ T298] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.155211][ T298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.155532][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.155842][ T298] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.156151][ T298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.156468][ T298] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.156782][ T298] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.157096][ T298] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.157399][ T298] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.157800][ T298] ___sys_sendmsg (net/socket.c:2670) 
[ 19.158103][ T298] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.158410][ T298] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 19.158807][ T298] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.159119][ T298] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.159427][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.159771][ T298] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.160074][ T298] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.160374][ T298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.160694][ T298] __sys_sendmsg (net/socket.c:2700) 
[ 19.160996][ T298] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.161395][ T298] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.161718][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.162014][ T298] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.162331][ T298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.162700][  T298] RIP: 0033:0x7f14153d81e7
[ 19.163006][ T298] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   19.164062][  T298] RSP: 002b:00007ffcdcae1998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.164544][  T298] RAX: ffffffffffffffda RBX: 00007ffcdcae20c0 RCX: 00007f14153d81e7
[   19.164978][  T298] RDX: 0000000000000000 RSI: 00007ffcdcae1a00 RDI: 0000000000000005
[   19.165472][  T298] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.165923][  T298] R10: 00007f14152d5ee8 R11: 0000000000000246 R12: 0000000000000004
[   19.166379][  T298] R13: 00000000686e0bc0 R14: 0000000000499600 R15: 0000000000000000
| [   22.616560][  T351] ------------[ cut here ]------------
| [ 22.616890][ T351] WARNING: CPU: 3 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.617455][  T351] Modules linked in: 8021q vrf veth
| [   22.618792][  T351] Tainted: [W]=WARN
[   22.619043][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.619450][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.619790][ T351] 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
[   22.620936][  T351] RSP: 0018:ffffc90000777140 EFLAGS: 00010246
[   22.621347][  T351] RAX: 0000000000000000 RBX: ffff88800b741000 RCX: 0000000000000001
[   22.622750][  T351] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   22.623242][  T351] RBP: ffffc90000777230 R08: ffff88800913a000 R09: 0000000000000000
[   22.623751][  T351] R10: ffffc900007775c8 R11: ffffffffb6250668 R12: 1ffff920000eee2c
[   22.624231][  T351] R13: 00000000000026ac R14: ffffc90000777880 R15: ffff88800a3db4e0
[   22.624731][  T351] FS:  00007fa37b63e800(0000) GS:ffff88807ee37000(0000) knlGS:0000000000000000
[   22.625290][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.625707][  T351] CR2: 00000000004e5ab8 CR3: 000000000b9d4004 CR4: 0000000000772ef0
[   22.626191][  T351] PKRU: 55555554
[   22.626445][  T351] Call Trace:
[   22.626688][  T351]  <TASK>
[ 22.626850][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.627176][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.627504][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.627826][ T351] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.628150][ T351] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 22.628484][ T351] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.628807][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 22.629136][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.629545][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.629868][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.630184][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.630517][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.630841][ T351] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.631160][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.631564][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.631902][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.632219][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.632550][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.632871][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.633190][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.633536][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 22.633857][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.634174][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.634502][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.634897][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.635226][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.635562][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.635879][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.636203][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.636536][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.636853][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.637174][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.637503][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.637837][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.638166][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.638501][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.638823][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.639147][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.639484][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.639803][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.640124][ T351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.640457][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.640781][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.641103][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.641424][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.641771][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.642101][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.642423][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.642752][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.643159][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 22.643486][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.643809][ T351] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.644220][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.644548][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.644867][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.645187][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.645512][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.645829][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.646152][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 22.646489][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.646883][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.647212][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.647539][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.647856][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.648246][  T351] RIP: 0033:0x7fa37b80b1e7
[ 22.648582][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.649721][  T351] RSP: 002b:00007ffc31c7fe18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.650200][  T351] RAX: ffffffffffffffda RBX: 00007ffc31c80540 RCX: 00007fa37b80b1e7
[   22.650681][  T351] RDX: 0000000000000000 RSI: 00007ffc31c7fe80 RDI: 0000000000000005
[   22.651161][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   22.651656][  T351] R10: 00007fa37b708ee8 R11: 0000000000000246 R12: 0000000000000004
[   22.652129][  T351] R13: 00000000686e0bc4 R14: 0000000000499600 R15: 0000000000000000
| [   25.021042][  T394] ------------[ cut here ]------------
| [ 25.021361][ T394] WARNING: CPU: 0 PID: 394 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) 
| [   25.022078][  T394] Modules linked in: 8021q vrf veth
| [   25.022998][  T394] Tainted: [W]=WARN
[   25.023230][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.023606][ T394] 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) 
[ 25.023909][ T394] 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
[   25.024958][  T394] RSP: 0018:ffffc90000877140 EFLAGS: 00010246
[   25.025320][  T394] RAX: 0000000000000000 RBX: ffff888009ef1000 RCX: 0000000000000001
[   25.025761][  T394] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   25.026201][  T394] RBP: ffffc90000877230 R08: ffff888004f96800 R09: 0000000000000000
[   25.026635][  T394] R10: ffffc900008775c8 R11: ffffffffb6250668 R12: 1ffff9200010ee2c
[   25.027080][  T394] R13: 00000000000026ac R14: ffffc90000877880 R15: ffff888004d758e0
[   25.027529][  T394] FS:  00007fbf22ac4800(0000) GS:ffff88807ecb7000(0000) knlGS:0000000000000000
[   25.028045][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.028463][  T394] CR2: 00000000004e5aa8 CR3: 000000000935b001 CR4: 0000000000772ef0
[   25.028903][  T394] PKRU: 55555554
[   25.029130][  T394] Call Trace:
[   25.029346][  T394]  <TASK>
[ 25.029503][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.029801][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.030080][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.030371][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.030674][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.030964][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.031281][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.031596][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.031962][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.032241][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.032567][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.032874][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.033158][ T394] ? __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) 
[ 25.033464][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.033819][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.034102][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.034389][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.034685][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.034968][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.035249][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.035534][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 25.035832][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.036123][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.036406][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.036768][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.037056][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.037340][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.037644][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.037928][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.038206][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.038500][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.038784][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.039064][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.039345][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.039644][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.039933][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.040214][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.040508][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.040801][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.041092][ T394] ? 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) 
[ 25.041393][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.041725][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.042006][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.042306][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.042613][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.042896][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.043189][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.043492][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.043777][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.044143][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 25.044444][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.044731][ T394] ? __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) 
[ 25.045096][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.045391][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.045690][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.045981][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.046264][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.046564][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.046857][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 25.047138][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.047511][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.047807][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.048090][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.048377][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.048734][  T394] RIP: 0033:0x7fbf22c911e7
[ 25.049025][ T394] 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)
[   25.050036][  T394] RSP: 002b:00007ffe103697b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.050469][  T394] RAX: ffffffffffffffda RBX: 00007ffe10369ee0 RCX: 00007fbf22c911e7
[   25.050888][  T394] RDX: 0000000000000000 RSI: 00007ffe10369820 RDI: 0000000000000005
[   25.051315][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.051761][  T394] R10: 00007fbf22b8eee8 R11: 0000000000000246 R12: 0000000000000004
[   25.052178][  T394] R13: 00000000686e0bc6 R14: 0000000000499600 R15: 0000000000000000
| [   25.593940][  T407] ------------[ cut here ]------------
| [ 25.594277][ T407] WARNING: CPU: 3 PID: 407 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) 
| [   25.594899][  T407] Modules linked in: 8021q vrf veth
| [   25.595866][  T407] Tainted: [W]=WARN
[   25.596090][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.596486][ T407] 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) 
[ 25.596790][ T407] 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
[   25.597866][  T407] RSP: 0018:ffffc900007c7140 EFLAGS: 00010246
[   25.598237][  T407] RAX: 0000000000000000 RBX: ffff888004d54000 RCX: 0000000000000001
[   25.598798][  T407] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   25.599500][  T407] RBP: ffffc900007c7230 R08: ffff888009e8e800 R09: 0000000000000000
[   25.600208][  T407] R10: ffffc900007c75c8 R11: ffffffffb6250668 R12: 1ffff920000f8e2c
[   25.600933][  T407] R13: 00000000000026ac R14: ffffc900007c7880 R15: ffff88800a3d91e0
[   25.601698][  T407] FS:  00007f5cfd076800(0000) GS:ffff88807ee37000(0000) knlGS:0000000000000000
[   25.602546][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.603147][  T407] CR2: 00000000004e5ab0 CR3: 0000000004e4f003 CR4: 0000000000772ef0
[   25.603880][  T407] PKRU: 55555554
[   25.604239][  T407] Call Trace:
[   25.604615][  T407]  <TASK>
[ 25.604857][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.605339][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.605819][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.606288][ T407] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.606773][ T407] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.607130][ T407] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.607449][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.607750][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.608117][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.608425][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.608728][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.609016][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.609307][ T407] ? __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) 
[ 25.609613][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.609972][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.610266][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.610570][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.610866][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.611154][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.611456][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.611760][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 25.612095][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.612383][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.612687][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.613053][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.613350][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.613656][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.613942][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.614233][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.614537][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.614822][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.615152][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.615599][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.616074][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.616575][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.617059][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.617547][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.618019][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.618514][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.618986][ T407] ? 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) 
[ 25.619463][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.619948][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.620413][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.620909][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.621398][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.621886][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.622370][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.622846][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.623338][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.623734][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 25.624021][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.624309][ T407] ? __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) 
[ 25.624780][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.625079][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.625366][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.625673][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.625952][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.626236][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.626539][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 25.626817][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.627171][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.627497][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.627784][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.628074][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.628444][  T407] RIP: 0033:0x7f5cfd2431e7
[ 25.628743][ T407] 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)
[   25.629799][  T407] RSP: 002b:00007ffd41cebb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.630232][  T407] RAX: ffffffffffffffda RBX: 00007ffd41cec270 RCX: 00007f5cfd2431e7
[   25.630671][  T407] RDX: 0000000000000000 RSI: 00007ffd41cebbb0 RDI: 0000000000000005
[   25.631094][  T407] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.631742][  T407] R10: 00007f5cfd140ee8 R11: 0000000000000246 R12: 0000000000000004
[   25.632401][  T407] R13: 00000000686e0bc7 R14: 0000000000499600 R15: 0000000000000000
| [   27.255121][  T434] ------------[ cut here ]------------
| [ 27.255481][ T434] WARNING: CPU: 0 PID: 434 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) 
| [   27.256095][  T434] Modules linked in: bridge stp llc 8021q vrf veth
| [   27.257311][  T434] Tainted: [W]=WARN
[   27.257562][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.257963][ T434] 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) 
[ 27.258286][ T434] 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
[   27.259406][  T434] RSP: 0018:ffffc900007b6ef0 EFLAGS: 00010246
[   27.259819][  T434] RAX: 0000000000000000 RBX: ffff88800abda000 RCX: 0000000000000001
[   27.260296][  T434] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   27.260788][  T434] RBP: ffffc900007b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.261262][  T434] R10: ffffc900007b7010 R11: ffffffffb62a8918 R12: 1ffff920000f6de2
[   27.261756][  T434] R13: 00000000000026ac R14: ffffc900007b7010 R15: ffff88800abdaf08
[   27.262244][  T434] FS:  00007f6af976f800(0000) GS:ffff88807ecb7000(0000) knlGS:0000000000000000
[   27.263053][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.263481][  T434] CR2: 00000000004e5410 CR3: 000000000a687004 CR4: 0000000000772ef0
[   27.263948][  T434] PKRU: 55555554
[   27.264178][  T434] Call Trace:
[   27.264414][  T434]  <TASK>
[ 27.264585][ T434] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.264897][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.265210][ T434] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.265542][ T434] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.265926][ T434] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.266243][ T434] netif_set_mtu (net/core/dev.c:9652) 
[ 27.266561][ T434] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.266887][ T434] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.267321][ T434] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.267566][ T434] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.267990][ T434] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.268338][ T434] do_set_master (net/core/rtnetlink.c:2948) 
[ 27.268663][ T434] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.268977][ T434] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.269367][ T434] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.269689][ T434] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.270023][ T434] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.270351][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.270678][ T434] ? __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) 
[ 27.270987][ T434] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.271366][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.271717][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.272032][ T434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.272346][ T434] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.272683][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.272997][ T434] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.273309][ T434] ? __create_object (mm/kmemleak.c:771) 
[ 27.273634][ T434] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.273945][ T434] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.274252][ T434] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.274642][ T434] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.274965][ T434] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.275279][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.275598][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.275911][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.276224][ T434] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.276534][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.276853][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.277164][ T434] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.277491][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.277800][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.278111][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.278423][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.278742][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.279062][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.279373][ T434] ? 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) 
[ 27.279695][ T434] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.280008][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.280315][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.280636][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.280948][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.281255][ T434] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.281578][ T434] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.281906][ T434] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.282227][ T434] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.282630][ T434] ___sys_sendmsg (net/socket.c:2670) 
[ 27.282936][ T434] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.283245][ T434] ? __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) 
[ 27.283640][ T434] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.283953][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.284266][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.284588][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.284896][ T434] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.285204][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.285529][ T434] __sys_sendmsg (net/socket.c:2700) 
[ 27.285843][ T434] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.286222][ T434] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.286566][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.286886][ T434] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.287194][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.287581][  T434] RIP: 0033:0x7f6af993c1e7
[ 27.288190][ T434] 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)
[   27.289333][  T434] RSP: 002b:00007ffe9e5f9fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.289817][  T434] RAX: ffffffffffffffda RBX: 00007ffe9e5fa6f0 RCX: 00007f6af993c1e7
[   27.290292][  T434] RDX: 0000000000000000 RSI: 00007ffe9e5fa030 RDI: 0000000000000005
[   27.291022][  T434] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.291502][  T434] R10: 0000000016481910 R11: 0000000000000246 R12: 0000000000000004
[   27.292209][  T434] R13: 00000000686e0bc8 R14: 0000000000499600 R15: 0000000000000000
| [   27.480651][  T439] ------------[ cut here ]------------
| [ 27.481030][ T439] WARNING: CPU: 0 PID: 439 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) 
| [   27.481761][  T439] Modules linked in: bridge stp llc 8021q vrf veth
| [   27.482942][  T439] Tainted: [W]=WARN
[   27.483208][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.483651][ T439] 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) 
[ 27.484053][ T439] 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
[   27.485211][  T439] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   27.485631][  T439] RAX: 0000000000000000 RBX: ffff88800abda000 RCX: 0000000000000001
[   27.486122][  T439] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   27.486610][  T439] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.487095][  T439] R10: ffffc90000567010 R11: ffffffffb62a8918 R12: 1ffff920000acde2
[   27.487591][  T439] R13: 00000000000026ac R14: ffffc90000567010 R15: ffff88800abdaf08
[   27.488103][  T439] FS:  00007f6ad2979800(0000) GS:ffff88807ecb7000(0000) knlGS:0000000000000000
[   27.488696][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.489103][  T439] CR2: 00000000004e5410 CR3: 000000000a687003 CR4: 0000000000772ef0
[   27.489600][  T439] PKRU: 55555554
[   27.489844][  T439] Call Trace:
[   27.490088][  T439]  <TASK>
[ 27.490256][ T439] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.490593][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.490935][ T439] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.491259][ T439] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.491691][ T439] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.492049][ T439] netif_set_mtu (net/core/dev.c:9652) 
[ 27.492379][ T439] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.492723][ T439] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.493166][ T439] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.493420][ T439] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.493872][ T439] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.494232][ T439] do_set_master (net/core/rtnetlink.c:2948) 
[ 27.494573][ T439] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.494904][ T439] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.495317][ T439] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.495652][ T439] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.496015][ T439] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.496344][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.496682][ T439] ? __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) 
[ 27.497006][ T439] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.497407][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.497746][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.498070][ T439] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.498425][ T439] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.498778][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.499105][ T439] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.499442][ T439] ? __create_object (mm/kmemleak.c:771) 
[ 27.499775][ T439] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.500132][ T439] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.500468][ T439] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.500877][ T439] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.501204][ T439] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.501546][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.501953][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.502316][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.502698][ T439] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.503046][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.503395][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.503763][ T439] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.504158][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.504525][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.504882][ T439] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.505231][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.505591][ T439] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.505952][ T439] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.506305][ T439] ? 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) 
[ 27.506662][ T439] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.507016][ T439] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.507360][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.507717][ T439] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.508088][ T439] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.508394][ T439] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.508719][ T439] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.509065][ T439] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.509371][ T439] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.509771][ T439] ___sys_sendmsg (net/socket.c:2670) 
[ 27.510077][ T439] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.510383][ T439] ? __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) 
[ 27.510772][ T439] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.511087][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.511397][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.511733][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.512037][ T439] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.512341][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.512662][ T439] __sys_sendmsg (net/socket.c:2700) 
[ 27.512993][ T439] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.513367][ T439] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.513705][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.514011][ T439] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.514319][ T439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.514706][  T439] RIP: 0033:0x7f6ad2b461e7
[ 27.515024][ T439] 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)
[   27.516131][  T439] RSP: 002b:00007fffc34234d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.516603][  T439] RAX: ffffffffffffffda RBX: 00007fffc3423c00 RCX: 00007f6ad2b461e7
[   27.517093][  T439] RDX: 0000000000000000 RSI: 00007fffc3423540 RDI: 0000000000000005
[   27.517562][  T439] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.518031][  T439] R10: 000000001b4d0910 R11: 0000000000000246 R12: 0000000000000004
[   27.518502][  T439] R13: 00000000686e0bc9 R14: 0000000000499600 R15: 0000000000000000
| [   29.394386][  T481] ------------[ cut here ]------------
| [ 29.394791][ T481] WARNING: CPU: 1 PID: 481 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) 
| [   29.396937][  T481] Modules linked in: bridge stp llc 8021q vrf veth
| [   29.398103][  T481] Tainted: [W]=WARN
[   29.398349][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.398770][ T481] 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) 
[ 29.399108][ T481] 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
[   29.400282][  T481] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   29.400700][  T481] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[   29.401192][  T481] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   29.401713][  T481] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.402196][  T481] R10: ffffc900005b7010 R11: ffffffffb62a8918 R12: 1ffff920000b6de2
[   29.402693][  T481] R13: 00000000000026ac R14: ffffc900005b7010 R15: ffff88800b44af08
[   29.403173][  T481] FS:  00007f5116a96800(0000) GS:ffff88807ed37000(0000) knlGS:0000000000000000
[   29.403755][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.404160][  T481] CR2: 00000000004e5418 CR3: 000000000fee9006 CR4: 0000000000772ef0
[   29.404664][  T481] PKRU: 55555554
[   29.404907][  T481] Call Trace:
[   29.405163][  T481]  <TASK>
[ 29.405332][ T481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.405669][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.406006][ T481] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.406331][ T481] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.406747][ T481] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.407076][ T481] netif_set_mtu (net/core/dev.c:9652) 
[ 29.407401][ T481] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.407755][ T481] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.408255][ T481] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.408521][ T481] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.408969][ T481] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.409330][ T481] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.409674][ T481] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.410019][ T481] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.410424][ T481] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.410782][ T481] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.411128][ T481] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.411482][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.411833][ T481] ? __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) 
[ 29.412165][ T481] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.412582][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.412910][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.413245][ T481] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.413585][ T481] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.413913][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.414242][ T481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.414572][ T481] ? __create_object (mm/kmemleak.c:771) 
[ 29.414897][ T481] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.415234][ T481] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.415569][ T481] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.415976][ T481] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.416303][ T481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.416639][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.416964][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.417293][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.417640][ T481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.417983][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.418306][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.418645][ T481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.418988][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.419326][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.419672][ T481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.420008][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.420338][ T481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.420693][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.421052][ T481] ? 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) 
[ 29.421423][ T481] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.421871][ T481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.422201][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.422644][ T481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.423004][ T481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.423328][ T481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.423674][ T481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.424023][ T481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.424343][ T481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.424761][ T481] ___sys_sendmsg (net/socket.c:2670) 
[ 29.425316][ T481] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.425751][ T481] ? __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) 
[ 29.426173][ T481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.426512][ T481] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.426855][ T481] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.427251][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.427601][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.427947][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.428293][ T481] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 29.428722][ T481] __sys_sendmsg (net/socket.c:2700) 
[ 29.429054][ T481] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 29.429469][ T481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.429924][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.430322][ T481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.430672][ T481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.431197][  T481] RIP: 0033:0x7f5116c631e7
[ 29.431652][ T481] 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)
[   29.433008][  T481] RSP: 002b:00007fffa69b91e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.433547][  T481] RAX: ffffffffffffffda RBX: 00007fffa69b9910 RCX: 00007f5116c631e7
[   29.434123][  T481] RDX: 0000000000000000 RSI: 00007fffa69b9250 RDI: 0000000000000005
[   29.434620][  T481] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.435181][  T481] R10: 0000000039cd0910 R11: 0000000000000246 R12: 0000000000000004
[   29.435675][  T481] R13: 00000000686e0bca R14: 0000000000499600 R15: 0000000000000000
| [   29.630203][  T486] ------------[ cut here ]------------
| [ 29.630575][ T486] WARNING: CPU: 1 PID: 486 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) 
| [   29.631216][  T486] Modules linked in: bridge stp llc 8021q vrf veth
| [   29.632324][  T486] Tainted: [W]=WARN
[   29.632596][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.633001][ T486] 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) 
[ 29.633334][ T486] 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
[   29.634500][  T486] RSP: 0018:ffffc90000516ef0 EFLAGS: 00010246
[   29.634913][  T486] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[   29.635395][  T486] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   29.635899][  T486] RBP: ffffc90000516fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.636378][  T486] R10: ffffc90000517010 R11: ffffffffb62a8918 R12: 1ffff920000a2de2
[   29.637053][  T486] R13: 00000000000026ac R14: ffffc90000517010 R15: ffff88800b44af08
[   29.637604][  T486] FS:  00007f8dfc84c800(0000) GS:ffff88807ed37000(0000) knlGS:0000000000000000
[   29.638172][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.638600][  T486] CR2: 00000000004e5418 CR3: 000000000b515004 CR4: 0000000000772ef0
[   29.639091][  T486] PKRU: 55555554
[   29.639332][  T486] Call Trace:
[   29.639598][  T486]  <TASK>
[ 29.639767][ T486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.640092][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.640470][ T486] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.640801][ T486] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.641205][ T486] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.641553][ T486] netif_set_mtu (net/core/dev.c:9652) 
[ 29.641888][ T486] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.642215][ T486] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.642677][ T486] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.642919][ T486] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.643345][ T486] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.643744][ T486] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.644075][ T486] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.644400][ T486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.644821][ T486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.645142][ T486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.645478][ T486] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.645959][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.646353][ T486] ? __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) 
[ 29.646714][ T486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.647119][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.647454][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.647772][ T486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.648086][ T486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.648410][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.648745][ T486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.649059][ T486] ? __create_object (mm/kmemleak.c:771) 
[ 29.649383][ T486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.649721][ T486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.650039][ T486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.650445][ T486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.650770][ T486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.651094][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.651419][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.651773][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.652094][ T486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.652415][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.652748][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.653067][ T486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.653387][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.653800][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.654276][ T486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.654633][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.654953][ T486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.655280][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.655614][ T486] ? 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) 
[ 29.655936][ T486] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.656254][ T486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.656594][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.656927][ T486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.657248][ T486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.657586][ T486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.657921][ T486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.658244][ T486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.658577][ T486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.658990][ T486] ___sys_sendmsg (net/socket.c:2670) 
[ 29.659311][ T486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.659649][ T486] ? __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) 
[ 29.660043][ T486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.660363][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.660705][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.661026][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.661344][ T486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.661700][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.662030][ T486] __sys_sendmsg (net/socket.c:2700) 
[ 29.662348][ T486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.662925][ T486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.663332][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.663682][ T486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.664005][ T486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.664417][  T486] RIP: 0033:0x7f8dfca191e7
[ 29.664767][ T486] 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)
[   29.665919][  T486] RSP: 002b:00007ffc0913df08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.666406][  T486] RAX: ffffffffffffffda RBX: 00007ffc0913e630 RCX: 00007f8dfca191e7
[   29.666907][  T486] RDX: 0000000000000000 RSI: 00007ffc0913df70 RDI: 0000000000000005
[   29.667383][  T486] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.667875][  T486] R10: 000000003c140910 R11: 0000000000000246 R12: 0000000000000004
[   29.668354][  T486] R13: 00000000686e0bcb R14: 0000000000499600 R15: 0000000000000000
| [   31.419804][  T527] ------------[ cut here ]------------
| [ 31.420155][ T527] WARNING: CPU: 0 PID: 527 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.420876][  T527] Modules linked in: bridge stp llc 8021q vrf veth
| [   31.422763][  T527] Tainted: [W]=WARN
[   31.423007][  T527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.423389][ T527] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.423734][ T527] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.424874][  T527] RSP: 0018:ffffc90000806ef0 EFLAGS: 00010246
[   31.425284][  T527] RAX: 0000000000000000 RBX: ffff88800ce4a000 RCX: 0000000000000001
[   31.425769][  T527] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   31.426237][  T527] RBP: ffffc90000806fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.426751][  T527] R10: ffffc90000807010 R11: ffffffffb62a8918 R12: 1ffff92000100de2
[   31.427218][  T527] R13: 00000000000026ac R14: ffffc90000807010 R15: ffff88800ce4af08
[   31.427733][  T527] FS:  00007fcc7cee2800(0000) GS:ffff88807ecb7000(0000) knlGS:0000000000000000
[   31.428277][  T527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.428685][  T527] CR2: 00000000004e5420 CR3: 000000000fee4006 CR4: 0000000000772ef0
[   31.429155][  T527] PKRU: 55555554
[   31.429387][  T527] Call Trace:
[   31.429631][  T527]  <TASK>
[ 31.429792][ T527] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.430109][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.430455][ T527] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.430809][ T527] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.431199][ T527] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.431530][ T527] netif_set_mtu (net/core/dev.c:9652) 
[ 31.431853][ T527] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.432178][ T527] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.432622][ T527] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.432866][ T527] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.433316][ T527] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.433683][ T527] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.434029][ T527] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.434348][ T527] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.434806][ T527] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.435125][ T527] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.435446][ T527] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.435767][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.436091][ T527] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.436407][ T527] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.436827][ T527] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.437139][ T527] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.437457][ T527] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.437765][ T527] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.438111][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.438450][ T527] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.438791][ T527] ? __create_object (mm/kmemleak.c:771) 
[ 31.439107][ T527] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.439416][ T527] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.439766][ T527] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.440151][ T527] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.440476][ T527] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.440794][ T527] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.441107][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.441423][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.441756][ T527] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.442068][ T527] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.442377][ T527] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.442728][ T527] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.443040][ T527] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.443359][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.443704][ T527] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.444015][ T527] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.444447][ T527] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.445010][ T527] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.445528][ T527] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.445873][ T527] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.446221][ T527] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.446584][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.446936][ T527] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.447273][ T527] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.447597][ T527] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.447919][ T527] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.448258][ T527] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.448592][ T527] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.449060][ T527] ___sys_sendmsg (net/socket.c:2670) 
[ 31.449418][ T527] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.449770][ T527] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.450195][ T527] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.450569][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.450927][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.451284][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.451662][ T527] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.452007][ T527] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.452387][ T527] __sys_sendmsg (net/socket.c:2700) 
[ 31.452739][ T527] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.453183][ T527] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.453536][ T527] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.453869][ T527] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.454267][ T527] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.454739][  T527] RIP: 0033:0x7fcc7d0af1e7
[ 31.455067][ T527] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.456173][  T527] RSP: 002b:00007ffc44b494c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.456676][  T527] RAX: ffffffffffffffda RBX: 00007ffc44b49bf0 RCX: 00007fcc7d0af1e7
[   31.457141][  T527] RDX: 0000000000000000 RSI: 00007ffc44b49530 RDI: 0000000000000005
[   31.457618][  T527] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.458093][  T527] R10: 000000000b0cc910 R11: 0000000000000246 R12: 0000000000000004
[   31.458632][  T527] R13: 00000000686e0bcc R14: 0000000000499600 R15: 0000000000000000
| [   31.709378][  T532] ------------[ cut here ]------------
| [ 31.709845][ T532] WARNING: CPU: 2 PID: 532 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.711740][  T532] Modules linked in: bridge stp llc 8021q vrf veth
| [   31.713076][  T532] Tainted: [W]=WARN
[   31.713379][  T532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.713888][ T532] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.714282][ T532] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.715651][  T532] RSP: 0018:ffffc900006e6ef0 EFLAGS: 00010246
[   31.716141][  T532] RAX: 0000000000000000 RBX: ffff88800ce4a000 RCX: 0000000000000001
[   31.716748][  T532] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[   31.717414][  T532] RBP: ffffc900006e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.718098][  T532] R10: ffffc900006e7010 R11: ffffffffb62a8918 R12: 1ffff920000dcde2
[   31.718736][  T532] R13: 00000000000026ac R14: ffffc900006e7010 R15: ffff88800ce4af08
[   31.719320][  T532] FS:  00007f9aca943800(0000) GS:ffff88807edb7000(0000) knlGS:0000000000000000
[   31.720008][  T532] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.720499][  T532] CR2: 00000000004e5420 CR3: 000000000b577004 CR4: 0000000000772ef0
[   31.721055][  T532] PKRU: 55555554
[   31.721344][  T532] Call Trace:
[   31.721678][  T532]  <TASK>
[ 31.721896][ T532] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.722294][ T532] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.722731][ T532] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.723097][ T532] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.723643][ T532] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.724108][ T532] netif_set_mtu (net/core/dev.c:9652) 
[ 31.724566][ T532] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.725022][ T532] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.725607][ T532] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.725897][ T532] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.726420][ T532] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.726863][ T532] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.727254][ T532] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.727683][ T532] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.728150][ T532] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.728601][ T532] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.728974][ T532] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.729375][ T532] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.729803][ T532] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.730253][ T532] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.730829][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.731284][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.731749][ T532] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.732163][ T532] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.732598][ T532] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.732992][ T532] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.733389][ T532] ? __create_object (mm/kmemleak.c:771) 
[ 31.733813][ T532] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.734196][ T532] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.734592][ T532] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.735125][ T532] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.735524][ T532] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.735914][ T532] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.736303][ T532] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.736763][ T532] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.737212][ T532] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.737677][ T532] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.738116][ T532] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.738565][ T532] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.738941][ T532] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.739346][ T532] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.739767][ T532] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.740155][ T532] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.740558][ T532] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.740968][ T532] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.741325][ T532] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.741778][ T532] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.742155][ T532] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.742582][ T532] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.742956][ T532] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.743344][ T532] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.743759][ T532] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.744214][ T532] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.744681][ T532] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.745110][ T532] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.745672][ T532] ___sys_sendmsg (net/socket.c:2670) 
[ 31.746057][ T532] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.746460][ T532] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.746957][ T532] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.747326][ T532] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.747731][ T532] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.748100][ T532] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.748488][ T532] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.748895][ T532] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.749317][ T532] __sys_sendmsg (net/socket.c:2700) 
[ 31.749708][ T532] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.750170][ T532] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.750641][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.751086][ T532] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.751540][ T532] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.752119][  T532] RIP: 0033:0x7f9acab101e7
[ 31.752975][ T532] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.754308][  T532] RSP: 002b:00007ffdc82e5fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.754926][  T532] RAX: ffffffffffffffda RBX: 00007ffdc82e66e0 RCX: 00007f9acab101e7
[   31.755490][  T532] RDX: 0000000000000000 RSI: 00007ffdc82e6020 RDI: 0000000000000005
[   31.756032][  T532] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.756585][  T532] R10: 0000000025758910 R11: 0000000000000246 R12: 0000000000000004
[   31.757124][  T532] R13: 00000000686e0bcd R14: 0000000000499600 R15: 0000000000000000
| [  463.214289][ T1973] ------------[ cut here ]------------
| [ 463.214655][ T1973] WARNING: CPU: 2 PID: 1973 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) 
| [  463.215302][ T1973] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  463.216670][ T1973] Tainted: [W]=WARN
[  463.216940][ T1973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 463.217353][ T1973] 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) 
[ 463.217717][ T1973] 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
[  463.218899][ T1973] RSP: 0018:ffffc900016e6f70 EFLAGS: 00010246
[  463.219331][ T1973] RAX: 0000000000000000 RBX: ffff88800ce4a000 RCX: 0000000000000001
[  463.219850][ T1973] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  463.220352][ T1973] RBP: ffffc900016e7058 R08: 0000000000000000 R09: 0000000000000000
[  463.221059][ T1973] R10: ffffc900016e7088 R11: ffffffffb1800130 R12: 1ffff920002dcdf2
[  463.221731][ T1973] R13: 00000000000026ac R14: ffffc900016e7088 R15: ffff88800ce4af08
[  463.222472][ T1973] FS:  00007f5a14585800(0000) GS:ffff88807edb7000(0000) knlGS:0000000000000000
[  463.223176][ T1973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.223747][ T1973] CR2: 00000000004e5638 CR3: 0000000010685001 CR4: 0000000000772ef0
[  463.224374][ T1973] PKRU: 55555554
[  463.224786][ T1973] Call Trace:
[  463.225064][ T1973]  <TASK>
[ 463.225257][ T1973] ? __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) 
[ 463.225826][ T1973] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 463.226199][ T1973] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 463.226537][ T1973] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.226873][ T1973] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 463.227199][ T1973] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.227530][ T1973] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.227862][ T1973] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.228179][ T1973] ? ___sys_sendmsg (net/socket.c:2670) 
[ 463.228508][ T1973] ? __sys_sendmsg (net/socket.c:2700) 
[ 463.228829][ T1973] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.229147][ T1973] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 463.229558][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.229904][ T1973] netif_set_mtu (net/core/dev.c:9652) 
[ 463.230225][ T1973] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 463.230573][ T1973] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 463.230833][ T1973] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 463.231268][ T1973] br_del_if (net/bridge/br_if.c:743) bridge 
[ 463.231622][ T1973] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 463.231954][ T1973] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 463.232295][ T1973] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.232633][ T1973] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 463.233041][ T1973] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 463.233359][ T1973] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 463.233689][ T1973] ? __kernel_text_address (kernel/extable.c:79) 
[ 463.234028][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.234347][ T1973] ? __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) 
[ 463.234702][ T1973] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 463.235108][ T1973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.235440][ T1973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.235766][ T1973] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 463.236085][ T1973] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 463.236402][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.236738][ T1973] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 463.237067][ T1973] ? __create_object (mm/kmemleak.c:771) 
[ 463.237389][ T1973] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 463.237726][ T1973] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 463.238049][ T1973] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 463.238455][ T1973] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 463.238795][ T1973] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 463.239157][ T1973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.239500][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.239860][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.240206][ T1973] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 463.240640][ T1973] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.241072][ T1973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.241410][ T1973] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 463.241774][ T1973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.242127][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.242491][ T1973] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 463.242841][ T1973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.243177][ T1973] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 463.243548][ T1973] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 463.243904][ T1973] ? 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) 
[ 463.244252][ T1973] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.244598][ T1973] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 463.244945][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.245271][ T1973] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.245611][ T1973] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 463.245941][ T1973] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 463.246296][ T1973] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.246636][ T1973] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 463.246977][ T1973] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 463.247382][ T1973] ___sys_sendmsg (net/socket.c:2670) 
[ 463.247723][ T1973] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 463.248050][ T1973] ? __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) 
[ 463.248457][ T1973] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 463.248791][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.249132][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.249482][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.249818][ T1973] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 463.250155][ T1973] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.250548][ T1973] __sys_sendmsg (net/socket.c:2700) 
[ 463.250960][ T1973] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 463.251354][ T1973] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 463.251699][ T1973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.252032][ T1973] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.252380][ T1973] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.252801][ T1973] RIP: 0033:0x7f5a147521e7
[ 463.253129][ T1973] 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)
[  463.254243][ T1973] RSP: 002b:00007ffe459fcf08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.254738][ T1973] RAX: ffffffffffffffda RBX: 00007ffe459fd630 RCX: 00007f5a147521e7
[  463.255218][ T1973] RDX: 0000000000000000 RSI: 00007ffe459fcf70 RDI: 0000000000000005
[  463.255697][ T1973] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  463.256175][ T1973] R10: 00007f5a1464fee8 R11: 0000000000000246 R12: 0000000000000003
[  463.256659][ T1973] R13: 00000000686e0d7c R14: 0000000000499600 R15: 0000000000000000
| [  463.421105][ T1975] ------------[ cut here ]------------
| [ 463.421476][ T1975] WARNING: CPU: 3 PID: 1975 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) 
| [  463.422334][ T1975] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  463.423573][ T1975] Tainted: [W]=WARN
[  463.423806][ T1975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 463.424186][ T1975] 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) 
[ 463.424516][ T1975] 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
[  463.426246][ T1975] RSP: 0018:ffffc900016f6f70 EFLAGS: 00010246
[  463.426651][ T1975] RAX: 0000000000000000 RBX: ffff88800ce4a000 RCX: 0000000000000001
[  463.427108][ T1975] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  463.427606][ T1975] RBP: ffffc900016f7058 R08: 0000000000000000 R09: 0000000000000000
[  463.428071][ T1975] R10: ffffc900016f7088 R11: ffffffffb5979160 R12: 1ffff920002dedf2
[  463.428534][ T1975] R13: 00000000000005dc R14: ffffc900016f7088 R15: ffff88800ce4af08
[  463.428989][ T1975] FS:  00007f91682fe800(0000) GS:ffff88807ee37000(0000) knlGS:0000000000000000
[  463.429533][ T1975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.429928][ T1975] CR2: 00000000004e73e8 CR3: 000000000bb48001 CR4: 0000000000772ef0
[  463.430387][ T1975] PKRU: 55555554
[  463.430646][ T1975] Call Trace:
[  463.430878][ T1975]  <TASK>
[ 463.431030][ T1975] ? __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) 
[ 463.431455][ T1975] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 463.431804][ T1975] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 463.432132][ T1975] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.432453][ T1975] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 463.432758][ T1975] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.433061][ T1975] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.433363][ T1975] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.433680][ T1975] ? ___sys_sendmsg (net/socket.c:2670) 
[ 463.433982][ T1975] ? __sys_sendmsg (net/socket.c:2700) 
[ 463.434325][ T1975] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.434651][ T1975] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 463.435035][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.435388][ T1975] netif_set_mtu (net/core/dev.c:9652) 
[ 463.435708][ T1975] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 463.436030][ T1975] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 463.436278][ T1975] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 463.436728][ T1975] br_del_if (net/bridge/br_if.c:743) bridge 
[ 463.437196][ T1975] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 463.437760][ T1975] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 463.438299][ T1975] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.438859][ T1975] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 463.439547][ T1975] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 463.439911][ T1975] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 463.440219][ T1975] ? __kernel_text_address (kernel/extable.c:79) 
[ 463.440596][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.440910][ T1975] ? __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) 
[ 463.441214][ T1975] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 463.441756][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.442315][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.442867][ T1975] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 463.443361][ T1975] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 463.443903][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.444473][ T1975] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 463.444999][ T1975] ? __create_object (mm/kmemleak.c:771) 
[ 463.445549][ T1975] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 463.446071][ T1975] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 463.446611][ T1975] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 463.447278][ T1975] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 463.447834][ T1975] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 463.448382][ T1975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.448898][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.449417][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.449967][ T1975] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 463.450508][ T1975] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.451044][ T1975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.451610][ T1975] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 463.452168][ T1975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.452741][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.453297][ T1975] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 463.453844][ T1975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.454392][ T1975] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 463.454968][ T1975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 463.455548][ T1975] ? 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) 
[ 463.456094][ T1975] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.456664][ T1975] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 463.457199][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.457760][ T1975] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.458327][ T1975] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 463.458884][ T1975] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 463.459465][ T1975] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.460019][ T1975] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 463.460576][ T1975] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 463.461263][ T1975] ___sys_sendmsg (net/socket.c:2670) 
[ 463.461820][ T1975] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 463.462378][ T1975] ? __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) 
[ 463.463050][ T1975] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 463.463605][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.464158][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.464738][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.465282][ T1975] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 463.465829][ T1975] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.466397][ T1975] __sys_sendmsg (net/socket.c:2700) 
[ 463.466945][ T1975] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 463.467652][ T1975] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 463.468225][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.468782][ T1975] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.469339][ T1975] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.470061][ T1975] RIP: 0033:0x7f91684cb1e7
[ 463.470632][ T1975] 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)
[  463.472626][ T1975] RSP: 002b:00007ffed97c6628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.473341][ T1975] RAX: ffffffffffffffda RBX: 00007ffed97c6d50 RCX: 00007f91684cb1e7
[  463.474058][ T1975] RDX: 0000000000000000 RSI: 00007ffed97c6690 RDI: 0000000000000005
[  463.474829][ T1975] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  463.475643][ T1975] R10: 00007f91683c8ee8 R11: 0000000000000246 R12: 0000000000000003
[  463.476482][ T1975] R13: 00000000686e0d7d R14: 0000000000499600 R15: 0000000000000000
| [  464.789696][ T1991] ------------[ cut here ]------------
| [ 464.790274][ T1991] WARNING: CPU: 2 PID: 1991 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) 
| [  464.792214][ T1991] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  464.794487][ T1991] Tainted: [W]=WARN
[  464.794951][ T1991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 464.795699][ T1991] 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) 
[ 464.796310][ T1991] 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
[  464.798365][ T1991] RSP: 0018:ffffc9000187ef70 EFLAGS: 00010246
[  464.798832][ T1991] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  464.799356][ T1991] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  464.799912][ T1991] RBP: ffffc9000187f058 R08: 0000000000000000 R09: 0000000000000000
[  464.800447][ T1991] R10: ffffc9000187f088 R11: ffffffffb5979160 R12: 1ffff9200030fdf2
[  464.800944][ T1991] R13: 00000000000026ac R14: ffffc9000187f088 R15: ffff88800b44af08
[  464.801466][ T1991] FS:  00007f9ed1ebc800(0000) GS:ffff88807edb7000(0000) knlGS:0000000000000000
[  464.802045][ T1991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  464.802528][ T1991] CR2: 00000000004e5630 CR3: 000000000f68d005 CR4: 0000000000772ef0
[  464.803021][ T1991] PKRU: 55555554
[  464.803265][ T1991] Call Trace:
[  464.803541][ T1991]  <TASK>
[ 464.803710][ T1991] ? __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) 
[ 464.804109][ T1991] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 464.804500][ T1991] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 464.804824][ T1991] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 464.805149][ T1991] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 464.805499][ T1991] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 464.805823][ T1991] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 464.806175][ T1991] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 464.806551][ T1991] ? ___sys_sendmsg (net/socket.c:2670) 
[ 464.806890][ T1991] ? __sys_sendmsg (net/socket.c:2700) 
[ 464.807213][ T1991] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 464.807739][ T1991] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 464.808351][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 464.808916][ T1991] netif_set_mtu (net/core/dev.c:9652) 
[ 464.809492][ T1991] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 464.810082][ T1991] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 464.810555][ T1991] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 464.811345][ T1991] br_del_if (net/bridge/br_if.c:743) bridge 
[ 464.811982][ T1991] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 464.812615][ T1991] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 464.813205][ T1991] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 464.813803][ T1991] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 464.814555][ T1991] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 464.815132][ T1991] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 464.815723][ T1991] ? __kernel_text_address (kernel/extable.c:79) 
[ 464.816296][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 464.816865][ T1991] ? __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) 
[ 464.817232][ T1991] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 464.817738][ T1991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 464.818065][ T1991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 464.818459][ T1991] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 464.818794][ T1991] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 464.819119][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 464.819482][ T1991] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 464.819804][ T1991] ? __create_object (mm/kmemleak.c:771) 
[ 464.820140][ T1991] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 464.820490][ T1991] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 464.820824][ T1991] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 464.821222][ T1991] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 464.821581][ T1991] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 464.821909][ T1991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 464.822259][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 464.822638][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 464.822971][ T1991] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 464.823391][ T1991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 464.823935][ T1991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 464.824521][ T1991] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 464.825064][ T1991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 464.825649][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 464.826232][ T1991] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 464.826811][ T1991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 464.827370][ T1991] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 464.827952][ T1991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 464.828519][ T1991] ? 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) 
[ 464.829080][ T1991] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 464.829655][ T1991] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 464.830218][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 464.830860][ T1991] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 464.831414][ T1991] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 464.832020][ T1991] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 464.832594][ T1991] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 464.833196][ T1991] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 464.833800][ T1991] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 464.834588][ T1991] ___sys_sendmsg (net/socket.c:2670) 
[ 464.835162][ T1991] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 464.835749][ T1991] ? __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) 
[ 464.836487][ T1991] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 464.837063][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 464.837631][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 464.838247][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 464.838885][ T1991] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 464.839470][ T1991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 464.840047][ T1991] __sys_sendmsg (net/socket.c:2700) 
[ 464.840624][ T1991] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 464.841308][ T1991] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 464.841910][ T1991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 464.842516][ T1991] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 464.843094][ T1991] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  464.843781][ T1991] RIP: 0033:0x7f9ed20891e7
[ 464.844342][ T1991] 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)
[  464.846330][ T1991] RSP: 002b:00007fff494c95f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.847211][ T1991] RAX: ffffffffffffffda RBX: 00007fff494c9d20 RCX: 00007f9ed20891e7
[  464.848029][ T1991] RDX: 0000000000000000 RSI: 00007fff494c9660 RDI: 0000000000000005
[  464.848881][ T1991] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  464.849769][ T1991] R10: 00007f9ed1f86ee8 R11: 0000000000000246 R12: 0000000000000003
[  464.850671][ T1991] R13: 00000000686e0d7e R14: 0000000000499600 R15: 0000000000000000
| [  465.029231][ T1993] ------------[ cut here ]------------
| [ 465.030776][ T1993] WARNING: CPU: 2 PID: 1993 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) 
| [  465.031896][ T1993] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  465.034057][ T1993] Tainted: [W]=WARN
[  465.034474][ T1993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 465.035190][ T1993] 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) 
[ 465.035725][ T1993] 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
[  465.037790][ T1993] RSP: 0018:ffffc9000189ef70 EFLAGS: 00010246
[  465.038800][ T1993] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  465.040005][ T1993] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  465.041300][ T1993] RBP: ffffc9000189f058 R08: 0000000000000000 R09: 0000000000000000
[  465.042892][ T1993] R10: ffffc9000189f088 R11: ffffffffb5979160 R12: 1ffff92000313df2
[  465.043577][ T1993] R13: 00000000000005dc R14: ffffc9000189f088 R15: ffff88800b44af08
[  465.044289][ T1993] FS:  00007f4218bae800(0000) GS:ffff88807edb7000(0000) knlGS:0000000000000000
[  465.045140][ T1993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.045885][ T1993] CR2: 00000000004e73d0 CR3: 000000000bae8006 CR4: 0000000000772ef0
[  465.046706][ T1993] PKRU: 55555554
[  465.047127][ T1993] Call Trace:
[  465.047592][ T1993]  <TASK>
[ 465.047906][ T1993] ? __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) 
[ 465.048609][ T1993] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 465.049229][ T1993] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.049817][ T1993] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.050392][ T1993] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 465.050962][ T1993] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.051550][ T1993] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.052139][ T1993] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.052496][ T1993] ? ___sys_sendmsg (net/socket.c:2670) 
[ 465.052827][ T1993] ? __sys_sendmsg (net/socket.c:2700) 
[ 465.053150][ T1993] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.053499][ T1993] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 465.053889][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.054250][ T1993] netif_set_mtu (net/core/dev.c:9652) 
[ 465.054588][ T1993] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 465.054936][ T1993] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 465.055179][ T1993] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 465.055631][ T1993] br_del_if (net/bridge/br_if.c:743) bridge 
[ 465.055990][ T1993] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 465.056314][ T1993] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.056651][ T1993] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.056974][ T1993] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 465.057380][ T1993] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 465.057726][ T1993] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 465.058053][ T1993] ? __kernel_text_address (kernel/extable.c:79) 
[ 465.058370][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.058706][ T1993] ? __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) 
[ 465.059028][ T1993] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 465.059416][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.059758][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.060072][ T1993] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 465.060388][ T1993] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 465.060719][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.061036][ T1993] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 465.061351][ T1993] ? __create_object (mm/kmemleak.c:771) 
[ 465.061703][ T1993] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 465.062028][ T1993] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 465.062372][ T1993] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 465.062778][ T1993] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 465.063107][ T1993] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 465.063427][ T1993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.063767][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.064109][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.064450][ T1993] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 465.064791][ T1993] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.065118][ T1993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.065463][ T1993] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 465.065796][ T1993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.066145][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.066488][ T1993] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 465.066832][ T1993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.067146][ T1993] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 465.067495][ T1993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 465.067815][ T1993] ? 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) 
[ 465.068230][ T1993] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.068590][ T1993] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 465.068903][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.069256][ T1993] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.069622][ T1993] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 465.069966][ T1993] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 465.070306][ T1993] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.070652][ T1993] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 465.070982][ T1993] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 465.071401][ T1993] ___sys_sendmsg (net/socket.c:2670) 
[ 465.071760][ T1993] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 465.072082][ T1993] ? __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) 
[ 465.072515][ T1993] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 465.072861][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.073181][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.073531][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.073852][ T1993] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 465.074168][ T1993] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.074536][ T1993] __sys_sendmsg (net/socket.c:2700) 
[ 465.074879][ T1993] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 465.075319][ T1993] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 465.075662][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.075984][ T1993] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.076309][ T1993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.076748][ T1993] RIP: 0033:0x7f4218d7b1e7
[ 465.077076][ T1993] 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)
[  465.078204][ T1993] RSP: 002b:00007ffd9b0cfa88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.078685][ T1993] RAX: ffffffffffffffda RBX: 00007ffd9b0d01b0 RCX: 00007f4218d7b1e7
[  465.079150][ T1993] RDX: 0000000000000000 RSI: 00007ffd9b0cfaf0 RDI: 0000000000000005
[  465.079631][ T1993] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  465.080096][ T1993] R10: 00007f4218c78ee8 R11: 0000000000000246 R12: 0000000000000003
[  465.080586][ T1993] R13: 00000000686e0d7e R14: 0000000000499600 R15: 0000000000000000
| [  466.326594][ T2007] ------------[ cut here ]------------
| [ 466.326954][ T2007] WARNING: CPU: 3 PID: 2007 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) 
| [  466.327596][ T2007] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  466.328871][ T2007] Tainted: [W]=WARN
[  466.329111][ T2007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 466.329516][ T2007] 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) 
[ 466.329881][ T2007] 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
[  466.331165][ T2007] RSP: 0018:ffffc90001706f70 EFLAGS: 00010246
[  466.331577][ T2007] RAX: 0000000000000000 RBX: ffff88800abda000 RCX: 0000000000000001
[  466.332050][ T2007] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  466.332550][ T2007] RBP: ffffc90001707058 R08: 0000000000000000 R09: 0000000000000000
[  466.333023][ T2007] R10: ffffc90001707088 R11: ffffffffb5979160 R12: 1ffff920002e0df2
[  466.333501][ T2007] R13: 00000000000026ac R14: ffffc90001707088 R15: ffff88800abdaf08
[  466.333990][ T2007] FS:  00007fb8a61ab800(0000) GS:ffff88807ee37000(0000) knlGS:0000000000000000
[  466.334563][ T2007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.335000][ T2007] CR2: 00000000004e5628 CR3: 0000000008c06001 CR4: 0000000000772ef0
[  466.335549][ T2007] PKRU: 55555554
[  466.335837][ T2007] Call Trace:
[  466.336074][ T2007]  <TASK>
[ 466.336234][ T2007] ? __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) 
[ 466.336655][ T2007] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 466.337028][ T2007] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 466.337344][ T2007] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 466.337667][ T2007] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 466.337992][ T2007] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 466.338304][ T2007] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.338624][ T2007] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.338948][ T2007] ? ___sys_sendmsg (net/socket.c:2670) 
[ 466.339265][ T2007] ? __sys_sendmsg (net/socket.c:2700) 
[ 466.339584][ T2007] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.339928][ T2007] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 466.340316][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.340648][ T2007] netif_set_mtu (net/core/dev.c:9652) 
[ 466.340978][ T2007] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 466.341308][ T2007] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 466.341561][ T2007] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 466.342029][ T2007] br_del_if (net/bridge/br_if.c:743) bridge 
[ 466.342385][ T2007] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 466.342739][ T2007] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 466.343072][ T2007] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 466.343391][ T2007] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 466.343795][ T2007] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 466.344116][ T2007] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 466.344443][ T2007] ? __kernel_text_address (kernel/extable.c:79) 
[ 466.344760][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.345076][ T2007] ? __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) 
[ 466.345389][ T2007] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 466.345790][ T2007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.346106][ T2007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.346416][ T2007] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 466.346767][ T2007] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 466.347091][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.347403][ T2007] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 466.347724][ T2007] ? __create_object (mm/kmemleak.c:771) 
[ 466.348038][ T2007] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 466.348356][ T2007] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 466.348675][ T2007] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 466.349070][ T2007] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 466.349389][ T2007] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 466.349807][ T2007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.350126][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.350458][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.350812][ T2007] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 466.351130][ T2007] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.351459][ T2007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.351797][ T2007] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 466.352124][ T2007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.352457][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.352788][ T2007] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 466.353102][ T2007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.353415][ T2007] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 466.353762][ T2007] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 466.354080][ T2007] ? 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) 
[ 466.354399][ T2007] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 466.354749][ T2007] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 466.355066][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.355385][ T2007] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.355731][ T2007] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 466.356066][ T2007] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 466.356401][ T2007] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.356761][ T2007] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 466.357081][ T2007] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 466.357494][ T2007] ___sys_sendmsg (net/socket.c:2670) 
[ 466.357816][ T2007] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 466.358146][ T2007] ? __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) 
[ 466.358549][ T2007] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 466.358880][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.359198][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.359525][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.359877][ T2007] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 466.360190][ T2007] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.360521][ T2007] __sys_sendmsg (net/socket.c:2700) 
[ 466.360833][ T2007] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 466.361223][ T2007] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 466.361561][ T2007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.361892][ T2007] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.362219][ T2007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.362615][ T2007] RIP: 0033:0x7fb8a63781e7
[ 466.362940][ T2007] 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)
[  466.364186][ T2007] RSP: 002b:00007ffc7d5a31b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.364670][ T2007] RAX: ffffffffffffffda RBX: 00007ffc7d5a38e0 RCX: 00007fb8a63781e7
[  466.365155][ T2007] RDX: 0000000000000000 RSI: 00007ffc7d5a3220 RDI: 0000000000000005
[  466.365636][ T2007] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  466.366129][ T2007] R10: 00007fb8a6275ee8 R11: 0000000000000246 R12: 0000000000000003
[  466.366609][ T2007] R13: 00000000686e0d7f R14: 0000000000499600 R15: 0000000000000000
| [  466.523695][ T2009] ------------[ cut here ]------------
| [ 466.524152][ T2009] WARNING: CPU: 1 PID: 2009 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) 
| [  466.526165][ T2009] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  466.528219][ T2009] Tainted: [W]=WARN
[  466.528622][ T2009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 466.529280][ T2009] 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) 
[ 466.529843][ T2009] 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
[  466.531734][ T2009] RSP: 0018:ffffc9000190ef70 EFLAGS: 00010246
[  466.532428][ T2009] RAX: 0000000000000000 RBX: ffff88800abda000 RCX: 0000000000000001
[  466.533251][ T2009] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  466.533870][ T2009] RBP: ffffc9000190f058 R08: 0000000000000000 R09: 0000000000000000
[  466.534584][ T2009] R10: ffffc9000190f088 R11: ffffffffb5979160 R12: 1ffff92000321df2
[  466.535375][ T2009] R13: 00000000000005dc R14: ffffc9000190f088 R15: ffff88800abdaf08
[  466.536195][ T2009] FS:  00007fbde7542800(0000) GS:ffff88807ed37000(0000) knlGS:0000000000000000
[  466.536946][ T2009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.537360][ T2009] CR2: 00000000004e73b8 CR3: 00000000093e1003 CR4: 0000000000772ef0
[  466.537879][ T2009] PKRU: 55555554
[  466.538267][ T2009] Call Trace:
[  466.539094][ T2009]  <TASK>
[ 466.539364][ T2009] ? __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) 
[ 466.540033][ T2009] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 466.540617][ T2009] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 466.541129][ T2009] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 466.541656][ T2009] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 466.542187][ T2009] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 466.542724][ T2009] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.543248][ T2009] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.543801][ T2009] ? ___sys_sendmsg (net/socket.c:2670) 
[ 466.544323][ T2009] ? __sys_sendmsg (net/socket.c:2700) 
[ 466.544847][ T2009] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.545357][ T2009] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 466.546026][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.546582][ T2009] netif_set_mtu (net/core/dev.c:9652) 
[ 466.547118][ T2009] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 466.547726][ T2009] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 466.548120][ T2009] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 466.548868][ T2009] br_del_if (net/bridge/br_if.c:743) bridge 
[ 466.549463][ T2009] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 466.549873][ T2009] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 466.550261][ T2009] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 466.550795][ T2009] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 466.551327][ T2009] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 466.551681][ T2009] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 466.552132][ T2009] ? __kernel_text_address (kernel/extable.c:79) 
[ 466.552583][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.553115][ T2009] ? __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) 
[ 466.553645][ T2009] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 466.554305][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.554847][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.555363][ T2009] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 466.555921][ T2009] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 466.556466][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.556883][ T2009] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 466.557404][ T2009] ? __create_object (mm/kmemleak.c:771) 
[ 466.557955][ T2009] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 466.558499][ T2009] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 466.559048][ T2009] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 466.559689][ T2009] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 466.560258][ T2009] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 466.560676][ T2009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.561182][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.561751][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.562320][ T2009] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 466.562739][ T2009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.563073][ T2009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.563444][ T2009] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 466.563776][ T2009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.564100][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.564477][ T2009] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 466.564833][ T2009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.565159][ T2009] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 466.565653][ T2009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 466.565980][ T2009] ? 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) 
[ 466.566298][ T2009] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 466.566800][ T2009] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 466.567170][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.567559][ T2009] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.567936][ T2009] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 466.568311][ T2009] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 466.568760][ T2009] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.569134][ T2009] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 466.569549][ T2009] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 466.570074][ T2009] ___sys_sendmsg (net/socket.c:2670) 
[ 466.570482][ T2009] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 466.570828][ T2009] ? __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) 
[ 466.571236][ T2009] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 466.571692][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.572083][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.572548][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.572954][ T2009] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 466.573317][ T2009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.573743][ T2009] __sys_sendmsg (net/socket.c:2700) 
[ 466.574171][ T2009] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 466.574749][ T2009] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 466.575189][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.575591][ T2009] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.575961][ T2009] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.576485][ T2009] RIP: 0033:0x7fbde770f1e7
[ 466.576872][ T2009] 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)
[  466.578339][ T2009] RSP: 002b:00007ffc45955418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.578974][ T2009] RAX: ffffffffffffffda RBX: 00007ffc45955b40 RCX: 00007fbde770f1e7
[  466.579582][ T2009] RDX: 0000000000000000 RSI: 00007ffc45955480 RDI: 0000000000000005
[  466.580187][ T2009] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  466.580756][ T2009] R10: 00007fbde760cee8 R11: 0000000000000246 R12: 0000000000000003
[  466.581234][ T2009] R13: 00000000686e0d80 R14: 0000000000499600 R15: 0000000000000000
| [  467.404682][ T2017] ------------[ cut here ]------------
| [ 467.405017][ T2017] WARNING: CPU: 3 PID: 2017 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) 
| [  467.405601][ T2017] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  467.406720][ T2017] Tainted: [W]=WARN
[  467.406939][ T2017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 467.407299][ T2017] 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) 
[ 467.407608][ T2017] 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
[  467.408645][ T2017] RSP: 0018:ffffc900018ff140 EFLAGS: 00010246
[  467.409005][ T2017] RAX: 0000000000000000 RBX: ffff888004d54000 RCX: 0000000000000001
[  467.409455][ T2017] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  467.409904][ T2017] RBP: ffffc900018ff230 R08: ffff888004daa000 R09: 0000000000000000
[  467.410374][ T2017] R10: ffffc900018ff5c8 R11: ffffffffb6250668 R12: 1ffff9200031fe2c
[  467.410820][ T2017] R13: 00000000000005dc R14: ffffc900018ff880 R15: ffff888005de3160
[  467.411275][ T2017] FS:  00007f90b8256800(0000) GS:ffff88807ee37000(0000) knlGS:0000000000000000
[  467.411989][ T2017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.412375][ T2017] CR2: 00000000004e5ab0 CR3: 000000000f813004 CR4: 0000000000772ef0
[  467.413003][ T2017] PKRU: 55555554
[  467.413221][ T2017] Call Trace:
[  467.413584][ T2017]  <TASK>
[ 467.413738][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.414165][ T2017] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 467.414666][ T2017] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.415146][ T2017] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 467.415558][ T2017] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 467.416065][ T2017] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 467.416505][ T2017] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 467.416997][ T2017] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 467.417633][ T2017] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 467.418121][ T2017] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 467.418582][ T2017] ? __kernel_text_address (kernel/extable.c:79) 
[ 467.419099][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.419602][ T2017] ? __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) 
[ 467.420105][ T2017] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 467.420728][ T2017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.421192][ T2017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.421693][ T2017] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 467.422207][ T2017] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 467.422722][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.423236][ T2017] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 467.423753][ T2017] ? __create_object (mm/kmemleak.c:771) 
[ 467.424260][ T2017] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 467.424742][ T2017] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 467.425241][ T2017] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 467.425904][ T2017] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 467.426421][ T2017] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 467.426961][ T2017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 467.427479][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.427998][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.428505][ T2017] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 467.428975][ T2017] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.429473][ T2017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 467.429975][ T2017] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 467.430483][ T2017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 467.431000][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.431515][ T2017] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 467.432003][ T2017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 467.432528][ T2017] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 467.433044][ T2017] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 467.433548][ T2017] ? 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) 
[ 467.434037][ T2017] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 467.434567][ T2017] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 467.435074][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.435611][ T2017] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 467.436132][ T2017] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 467.436651][ T2017] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 467.437148][ T2017] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 467.437653][ T2017] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 467.438158][ T2017] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 467.438815][ T2017] ___sys_sendmsg (net/socket.c:2670) 
[ 467.439308][ T2017] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 467.439823][ T2017] ? __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) 
[ 467.440425][ T2017] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 467.440937][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.441429][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.441963][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.442474][ T2017] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 467.442963][ T2017] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.443486][ T2017] __sys_sendmsg (net/socket.c:2700) 
[ 467.443984][ T2017] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 467.444613][ T2017] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 467.445141][ T2017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.445660][ T2017] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 467.446181][ T2017] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.446796][ T2017] RIP: 0033:0x7f90b84231e7
[ 467.447299][ T2017] 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)
[  467.449076][ T2017] RSP: 002b:00007ffccfd34828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.449856][ T2017] RAX: ffffffffffffffda RBX: 00007ffccfd34f50 RCX: 00007f90b84231e7
[  467.450619][ T2017] RDX: 0000000000000000 RSI: 00007ffccfd34890 RDI: 0000000000000005
[  467.451368][ T2017] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  467.452147][ T2017] R10: 00007f90b8320ee8 R11: 0000000000000246 R12: 0000000000000004
[  467.452928][ T2017] R13: 00000000686e0d80 R14: 0000000000499600 R15: 0000000000000000
| [  467.773723][ T2022] ------------[ cut here ]------------
| [ 467.774047][ T2022] WARNING: CPU: 3 PID: 2022 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) 
| [  467.775075][ T2022] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  467.776186][ T2022] Tainted: [W]=WARN
[  467.776402][ T2022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 467.776790][ T2022] 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) 
[ 467.777095][ T2022] 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
[  467.778114][ T2022] RSP: 0018:ffffc9000196f140 EFLAGS: 00010246
[  467.778503][ T2022] RAX: 0000000000000000 RBX: ffff888009ef1000 RCX: 0000000000000001
[  467.778940][ T2022] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  467.779366][ T2022] RBP: ffffc9000196f230 R08: ffff8880051ab800 R09: 0000000000000000
[  467.779795][ T2022] R10: ffffc9000196f5c8 R11: ffffffffb6250668 R12: 1ffff9200032de2c
[  467.780220][ T2022] R13: 00000000000005dc R14: ffffc9000196f880 R15: ffff88800f15dfe0
[  467.780660][ T2022] FS:  00007f7228d97800(0000) GS:ffff88807ee37000(0000) knlGS:0000000000000000
[  467.781153][ T2022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.781523][ T2022] CR2: 00000000004e5aa8 CR3: 000000000a8b5006 CR4: 0000000000772ef0
[  467.781950][ T2022] PKRU: 55555554
[  467.782179][ T2022] Call Trace:
[  467.782393][ T2022]  <TASK>
[ 467.782549][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.782846][ T2022] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 467.783130][ T2022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.783417][ T2022] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 467.783712][ T2022] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 467.783999][ T2022] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 467.784285][ T2022] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 467.784594][ T2022] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 467.784957][ T2022] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 467.785241][ T2022] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 467.785532][ T2022] ? __kernel_text_address (kernel/extable.c:79) 
[ 467.785822][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.786108][ T2022] ? __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) 
[ 467.786395][ T2022] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 467.786763][ T2022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.787051][ T2022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.787333][ T2022] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 467.787626][ T2022] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 467.787912][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.788196][ T2022] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 467.788483][ T2022] ? __create_object (mm/kmemleak.c:771) 
[ 467.788767][ T2022] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 467.789059][ T2022] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 467.789344][ T2022] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 467.789707][ T2022] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 467.790000][ T2022] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 467.790292][ T2022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 467.790584][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.790876][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.791160][ T2022] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 467.791457][ T2022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.791743][ T2022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 467.792026][ T2022] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 467.792328][ T2022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 467.792624][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.792919][ T2022] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 467.793203][ T2022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 467.793509][ T2022] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 467.793809][ T2022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 467.794091][ T2022] ? 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) 
[ 467.794375][ T2022] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 467.794675][ T2022] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 467.794959][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.795248][ T2022] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 467.795544][ T2022] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 467.795830][ T2022] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 467.796120][ T2022] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 467.796410][ T2022] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 467.796701][ T2022] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 467.797066][ T2022] ___sys_sendmsg (net/socket.c:2670) 
[ 467.797347][ T2022] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 467.797647][ T2022] ? __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) 
[ 467.798003][ T2022] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 467.798293][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.798594][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.798889][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.799173][ T2022] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 467.799461][ T2022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.799763][ T2022] __sys_sendmsg (net/socket.c:2700) 
[ 467.800042][ T2022] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 467.800399][ T2022] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 467.800716][ T2022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.801006][ T2022] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 467.801292][ T2022] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.801655][ T2022] RIP: 0033:0x7f7228f641e7
[ 467.801948][ T2022] 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)
[  467.803017][ T2022] RSP: 002b:00007fff12d23068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.803475][ T2022] RAX: ffffffffffffffda RBX: 00007fff12d23790 RCX: 00007f7228f641e7
[  467.803907][ T2022] RDX: 0000000000000000 RSI: 00007fff12d230d0 RDI: 0000000000000005
[  467.804339][ T2022] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  467.804770][ T2022] R10: 00007f7228e61ee8 R11: 0000000000000246 R12: 0000000000000004
[  467.805198][ T2022] R13: 00000000686e0d81 R14: 0000000000499600 R15: 0000000000000000
| [  468.891825][ T2032] ------------[ cut here ]------------
| [ 468.892170][ T2032] WARNING: CPU: 0 PID: 2032 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) 
| [  468.893127][ T2032] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  468.894205][ T2032] Tainted: [W]=WARN
[  468.894416][ T2032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 468.894797][ T2032] 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) 
[ 468.895092][ T2032] 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
[  468.896101][ T2032] RSP: 0018:ffffc9000191f140 EFLAGS: 00010246
[  468.896462][ T2032] RAX: 0000000000000000 RBX: ffff88800b741000 RCX: 0000000000000001
[  468.896878][ T2032] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  468.897299][ T2032] RBP: ffffc9000191f230 R08: ffff88800e9f0800 R09: 0000000000000000
[  468.897727][ T2032] R10: ffffc9000191f5c8 R11: ffffffffb6250668 R12: 1ffff92000323e2c
[  468.898142][ T2032] R13: 00000000000005dc R14: ffffc9000191f880 R15: ffff88800a4af4e0
[  468.898573][ T2032] FS:  00007f55cc506800(0000) GS:ffff88807ecb7000(0000) knlGS:0000000000000000
[  468.899062][ T2032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.899423][ T2032] CR2: 00000000004e5ab8 CR3: 000000000a82f006 CR4: 0000000000772ef0
[  468.899850][ T2032] PKRU: 55555554
[  468.900066][ T2032] Call Trace:
[  468.900274][ T2032]  <TASK>
[ 468.900416][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.900709][ T2032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 468.900986][ T2032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.901269][ T2032] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 468.901555][ T2032] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 468.901833][ T2032] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 468.902132][ T2032] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 468.902417][ T2032] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 468.902788][ T2032] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 468.903066][ T2032] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 468.903343][ T2032] ? __kernel_text_address (kernel/extable.c:79) 
[ 468.903657][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.904023][ T2032] ? __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) 
[ 468.904538][ T2032] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 468.905097][ T2032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.905566][ T2032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.906028][ T2032] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 468.906537][ T2032] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 468.907025][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.907511][ T2032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 468.908010][ T2032] ? __create_object (mm/kmemleak.c:771) 
[ 468.908499][ T2032] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 468.908988][ T2032] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 468.909495][ T2032] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 468.910098][ T2032] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 468.910622][ T2032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 468.911117][ T2032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 468.911620][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.912157][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.912655][ T2032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 468.913135][ T2032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.913646][ T2032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 468.914141][ T2032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 468.914652][ T2032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.915151][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.915670][ T2032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 468.916182][ T2032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.916678][ T2032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 468.917201][ T2032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 468.917716][ T2032] ? 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) 
[ 468.918213][ T2032] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 468.918743][ T2032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 468.919251][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.919773][ T2032] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 468.920260][ T2032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 468.920769][ T2032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 468.921255][ T2032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 468.921755][ T2032] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 468.922252][ T2032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 468.922898][ T2032] ___sys_sendmsg (net/socket.c:2670) 
[ 468.923396][ T2032] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 468.923896][ T2032] ? __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) 
[ 468.924530][ T2032] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 468.925040][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.925561][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.926073][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.926588][ T2032] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 468.927088][ T2032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.927617][ T2032] __sys_sendmsg (net/socket.c:2700) 
[ 468.928111][ T2032] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 468.928727][ T2032] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 468.929247][ T2032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.929752][ T2032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 468.930242][ T2032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.930858][ T2032] RIP: 0033:0x7f55cc6d31e7
[ 468.931355][ T2032] 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)
[  468.933119][ T2032] RSP: 002b:00007ffc941faa38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.933882][ T2032] RAX: ffffffffffffffda RBX: 00007ffc941fb160 RCX: 00007f55cc6d31e7
[  468.934627][ T2032] RDX: 0000000000000000 RSI: 00007ffc941faaa0 RDI: 0000000000000005
[  468.935344][ T2032] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  468.936099][ T2032] R10: 00007f55cc5d0ee8 R11: 0000000000000246 R12: 0000000000000004
[  468.936856][ T2032] R13: 00000000686e0d82 R14: 0000000000499600 R15: 0000000000000000
| [  470.363000][ T2046] ------------[ cut here ]------------
| [ 470.363350][ T2046] WARNING: CPU: 0 PID: 2046 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) 
| [  470.365051][ T2046] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  470.366211][ T2046] Tainted: [W]=WARN
[  470.366445][ T2046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 470.366807][ T2046] 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) 
[ 470.367114][ T2046] 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
[  470.368171][ T2046] RSP: 0018:ffffc90001a1f140 EFLAGS: 00010246
[  470.368544][ T2046] RAX: 0000000000000000 RBX: ffff888008cb9000 RCX: 0000000000000001
[  470.368992][ T2046] RDX: 0000000000000000 RSI: ffffffffb549b941 RDI: ffffffffb4c555e0
[  470.369426][ T2046] RBP: ffffc90001a1f230 R08: ffff88800a6fe800 R09: 0000000000000000
[  470.369877][ T2046] R10: ffffc90001a1f5c8 R11: ffffffffb6250668 R12: 1ffff92000343e2c
[  470.370318][ T2046] R13: 00000000000005dc R14: ffffc90001a1f880 R15: ffff88800b6b83e0
[  470.370769][ T2046] FS:  00007f8253557800(0000) GS:ffff88807ecb7000(0000) knlGS:0000000000000000
[  470.371282][ T2046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  470.371662][ T2046] CR2: 00000000004e5aa0 CR3: 0000000004ce3003 CR4: 0000000000772ef0
[  470.372124][ T2046] PKRU: 55555554
[  470.372353][ T2046] Call Trace:
[  470.372579][ T2046]  <TASK>
[ 470.372730][ T2046] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 470.373030][ T2046] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 470.373326][ T2046] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 470.373632][ T2046] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 470.373925][ T2046] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 470.374219][ T2046] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 470.374527][ T2046] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 470.374837][ T2046] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 470.375219][ T2046] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 470.375524][ T2046] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 470.375813][ T2046] ? __kernel_text_address (kernel/extable.c:79) 
[ 470.376125][ T2046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.376417][ T2046] ? __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) 
[ 470.376720][ T2046] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 470.377080][ T2046] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 470.377371][ T2046] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 470.377665][ T2046] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 470.377956][ T2046] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 470.378277][ T2046] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 470.378585][ T2046] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 470.378872][ T2046] ? __create_object (mm/kmemleak.c:771) 
[ 470.379164][ T2046] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 470.379462][ T2046] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 470.379751][ T2046] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 470.380112][ T2046] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 470.380408][ T2046] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 470.380721][ T2046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 470.381011][ T2046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.381307][ T2046] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 470.381603][ T2046] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 470.381891][ T2046] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 470.382195][ T2046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 470.382492][ T2046] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 470.382785][ T2046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 470.383080][ T2046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.383376][ T2046] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 470.383675][ T2046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 470.383967][ T2046] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 470.384264][ T2046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 470.384558][ T2046] ? 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) 
[ 470.384847][ T2046] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 470.385144][ T2046] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 470.385439][ T2046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.385733][ T2046] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 470.386024][ T2046] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 470.386310][ T2046] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 470.386612][ T2046] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 470.386904][ T2046] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 470.387192][ T2046] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 470.387569][ T2046] ___sys_sendmsg (net/socket.c:2670) 
[ 470.387856][ T2046] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 470.388143][ T2046] ? __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) 
[ 470.388509][ T2046] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 470.388800][ T2046] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 470.389090][ T2046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.389388][ T2046] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 470.389682][ T2046] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 470.389971][ T2046] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 470.390263][ T2046] __sys_sendmsg (net/socket.c:2700) 
[ 470.390554][ T2046] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 470.390906][ T2046] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 470.391203][ T2046] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 470.391505][ T2046] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 470.391804][ T2046] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.392199][ T2046] RIP: 0033:0x7f82537241e7
[ 470.392511][ T2046] 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)
[  470.393544][ T2046] RSP: 002b:00007ffebda9d5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.393985][ T2046] RAX: ffffffffffffffda RBX: 00007ffebda9dcf0 RCX: 00007f82537241e7
[  470.394415][ T2046] RDX: 0000000000000000 RSI: 00007ffebda9d630 RDI: 0000000000000005
[  470.394853][ T2046] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  470.395286][ T2046] R10: 00007f8253621ee8 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