======================================
| 0
| xx__-> [  249.012654][  T745] ------------[ cut here ]------------
| [ 249.013158][ T745] WARNING: CPU: 2 PID: 745 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) 
| [  249.013745][  T745] Modules linked in: act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
[  249.014920][  T745] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 249.015285][ T745] 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) 
[ 249.016411][ T745] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  249.017428][  T745] RSP: 0018:ffffc9000170f140 EFLAGS: 00010246
[  249.017809][  T745] RAX: 0000000000000000 RBX: ffff888002089000 RCX: 0000000000000001
[  249.018261][  T745] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  249.018700][  T745] RBP: ffffc9000170f230 R08: ffff88800543d000 R09: 0000000000000000
[  249.019134][  T745] R10: ffffc9000170f5c8 R11: ffffffffb8850668 R12: 1ffff920002e1e2c
[  249.019571][  T745] R13: 0000000000002710 R14: ffffc9000170f880 R15: ffff888005120060
[  249.020008][  T745] FS:  00007f2a5fc10800(0000) GS:ffff88807c7b7000(0000) knlGS:0000000000000000
[  249.020516][  T745] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  249.020887][  T745] CR2: 00000000004e5aa0 CR3: 000000000dcec004 CR4: 0000000000772ef0
[  249.021324][  T745] PKRU: 55555554
[  249.021557][  T745] Call Trace:
[  249.021785][  T745]  <TASK>
[ 249.021943][ T745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.022248][ T745] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 249.022550][ T745] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 249.022850][ T745] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 249.023137][ T745] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 249.023432][ T745] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 249.024093][ T745] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 249.024410][ T745] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 249.024800][ T745] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 249.025114][ T745] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 249.025420][ T745] ? __kernel_text_address (kernel/extable.c:79) 
[ 249.025740][ T745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.026047][ T745] ? __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) 
[ 249.026355][ T745] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 249.026740][ T745] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 249.027056][ T745] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 249.027358][ T745] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 249.027668][ T745] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 249.027963][ T745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.028268][ T745] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 249.028572][ T745] ? __create_object (mm/kmemleak.c:771) 
[ 249.028873][ T745] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 249.029166][ T745] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 249.029476][ T745] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 249.029855][ T745] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 249.030167][ T745] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 249.030490][ T745] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 249.030790][ T745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.031097][ T745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.031399][ T745] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 249.031716][ T745] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 249.032019][ T745] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 249.032321][ T745] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 249.032633][ T745] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 249.032940][ T745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.033243][ T745] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 249.033557][ T745] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 249.033862][ T745] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 249.034188][ T745] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 249.034519][ T745] ? 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) 
[ 249.034836][ T745] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 249.035147][ T745] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 249.035463][ T745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.035769][ T745] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 249.036080][ T745] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 249.036393][ T745] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 249.036719][ T745] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 249.037031][ T745] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 249.037329][ T745] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 249.037728][ T745] ___sys_sendmsg (net/socket.c:2670) 
[ 249.038032][ T745] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 249.038333][ T745] ? __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) 
[ 249.038727][ T745] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 249.039077][ T745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.039387][ T745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.039706][ T745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.040011][ T745] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 249.040313][ T745] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 249.040632][ T745] __sys_sendmsg (net/socket.c:2700) 
[ 249.040939][ T745] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 249.041309][ T745] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 249.041663][ T745] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 249.041974][ T745] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 249.042287][ T745] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  249.042701][  T745] RIP: 0033:0x7f2a5fddd1e7
[ 249.043029][ T745] 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)
[  249.044109][  T745] RSP: 002b:00007ffe0abb8128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  249.044583][  T745] RAX: ffffffffffffffda RBX: 00007ffe0abb8850 RCX: 00007f2a5fddd1e7
[  249.045054][  T745] RDX: 0000000000000000 RSI: 00007ffe0abb8190 RDI: 0000000000000005
[  249.045534][  T745] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  249.045993][  T745] R10: 00007f2a5fcdaee8 R11: 0000000000000246 R12: 0000000000000004
[  249.046457][  T745] R13: 00000000686e6395 R14: 0000000000499600 R15: 0000000000000000
| [  250.736897][  T771] ------------[ cut here ]------------
| [ 250.737278][ T771] WARNING: CPU: 2 PID: 771 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) 
| [  250.737885][  T771] Modules linked in: sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  250.739193][  T771] Tainted: [W]=WARN
[  250.739424][  T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 250.739791][ T771] 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) 
[ 250.740090][ T771] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  250.741111][  T771] RSP: 0018:ffffc90000547140 EFLAGS: 00010246
[  250.741486][  T771] RAX: 0000000000000000 RBX: ffff888005c84000 RCX: 0000000000000001
[  250.741937][  T771] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  250.742361][  T771] RBP: ffffc90000547230 R08: ffff88800fb4d000 R09: 0000000000000000
[  250.742810][  T771] R10: ffffc900005475c8 R11: ffffffffb8850668 R12: 1ffff920000a8e2c
[  250.743234][  T771] R13: 0000000000002710 R14: ffffc90000547880 R15: ffff888004e55560
[  250.743675][  T771] FS:  00007f4f4db99800(0000) GS:ffff88807c7b7000(0000) knlGS:0000000000000000
[  250.744182][  T771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  250.744551][  T771] CR2: 00000000004e5ab0 CR3: 000000000dd8c005 CR4: 0000000000772ef0
[  250.745002][  T771] PKRU: 55555554
[  250.745223][  T771] Call Trace:
[  250.745455][  T771]  <TASK>
[ 250.745616][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.745934][ T771] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 250.746224][ T771] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.746539][ T771] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 250.746828][ T771] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 250.747118][ T771] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 250.747423][ T771] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 250.747741][ T771] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 250.748109][ T771] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 250.748399][ T771] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 250.748704][ T771] ? __kernel_text_address (kernel/extable.c:79) 
[ 250.749000][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.749292][ T771] ? __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) 
[ 250.749609][ T771] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 250.749962][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.750262][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.750593][ T771] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 250.750893][ T771] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 250.751185][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.751496][ T771] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 250.751800][ T771] ? __create_object (mm/kmemleak.c:771) 
[ 250.752091][ T771] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 250.752380][ T771] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 250.752713][ T771] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 250.753072][ T771] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 250.753370][ T771] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 250.753674][ T771] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 250.753962][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.754255][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.754560][ T771] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 250.754860][ T771] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.755159][ T771] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 250.755460][ T771] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 250.755749][ T771] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 250.756045][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.756334][ T771] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 250.756633][ T771] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 250.756920][ T771] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 250.757229][ T771] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 250.757523][ T771] ? 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) 
[ 250.757814][ T771] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 250.758102][ T771] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 250.758389][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.758992][ T771] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 250.759310][ T771] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 250.759651][ T771] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 250.759950][ T771] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 250.760243][ T771] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 250.760554][ T771] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 250.760920][ T771] ___sys_sendmsg (net/socket.c:2670) 
[ 250.761206][ T771] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 250.761505][ T771] ? __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) 
[ 250.761887][ T771] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 250.762182][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.762511][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.762813][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.763110][ T771] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 250.763398][ T771] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.763723][ T771] __sys_sendmsg (net/socket.c:2700) 
[ 250.764012][ T771] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 250.764376][ T771] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 250.764719][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.765023][ T771] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 250.765314][ T771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  250.765682][  T771] RIP: 0033:0x7f4f4dd661e7
[ 250.765987][ T771] 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)
[  250.767002][  T771] RSP: 002b:00007fff5746b2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  250.767433][  T771] RAX: ffffffffffffffda RBX: 00007fff5746ba10 RCX: 00007f4f4dd661e7
[  250.767871][  T771] RDX: 0000000000000000 RSI: 00007fff5746b350 RDI: 0000000000000005
[  250.768304][  T771] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  250.768738][  T771] R10: 00007f4f4dc63ee8 R11: 0000000000000246 R12: 0000000000000004
[  250.769165][  T771] R13: 00000000686e6397 R14: 0000000000499600 R15: 0000000000000000
| [  252.118551][  T791] ------------[ cut here ]------------
| [ 252.118952][ T791] WARNING: CPU: 2 PID: 791 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) 
| [  252.119558][  T791] Modules linked in: sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  252.120829][  T791] Tainted: [W]=WARN
[  252.121058][  T791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 252.121456][ T791] 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) 
[ 252.121762][ T791] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  252.124577][  T791] RSP: 0018:ffffc900005d7140 EFLAGS: 00010246
[  252.125089][  T791] RAX: 0000000000000000 RBX: ffff888005414000 RCX: 0000000000000001
[  252.125566][  T791] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  252.125998][  T791] RBP: ffffc900005d7230 R08: ffff88800e738800 R09: 0000000000000000
[  252.126505][  T791] R10: ffffc900005d75c8 R11: ffffffffb8850668 R12: 1ffff920000bae2c
[  252.126934][  T791] R13: 0000000000002710 R14: ffffc900005d7880 R15: ffff888004e56de0
[  252.127356][  T791] FS:  00007f7089b02800(0000) GS:ffff88807c7b7000(0000) knlGS:0000000000000000
[  252.127886][  T791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  252.128249][  T791] CR2: 00000000004e5ac8 CR3: 000000000fac8004 CR4: 0000000000772ef0
[  252.128707][  T791] PKRU: 55555554
[  252.128939][  T791] Call Trace:
[  252.129160][  T791]  <TASK>
[ 252.129313][ T791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.129649][ T791] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 252.129951][ T791] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.130247][ T791] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 252.130551][ T791] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 252.130858][ T791] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 252.131148][ T791] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 252.131472][ T791] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 252.131954][ T791] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 252.132244][ T791] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 252.132546][ T791] ? __kernel_text_address (kernel/extable.c:79) 
[ 252.132865][ T791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.133162][ T791] ? __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) 
[ 252.133474][ T791] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 252.133848][ T791] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.134141][ T791] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.134426][ T791] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 252.134745][ T791] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 252.135054][ T791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.135343][ T791] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 252.135644][ T791] ? __create_object (mm/kmemleak.c:771) 
[ 252.135962][ T791] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 252.136259][ T791] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 252.136561][ T791] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 252.136942][ T791] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 252.137237][ T791] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 252.137543][ T791] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.137853][ T791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.138153][ T791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.138460][ T791] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 252.138752][ T791] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.139065][ T791] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.139355][ T791] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 252.139696][ T791] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.140022][ T791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.140317][ T791] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 252.140618][ T791] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.140926][ T791] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 252.141227][ T791] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 252.141525][ T791] ? 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) 
[ 252.141815][ T791] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 252.142136][ T791] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 252.142462][ T791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.142759][ T791] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 252.143069][ T791] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 252.143358][ T791] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 252.143701][ T791] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 252.144023][ T791] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 252.144323][ T791] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 252.144705][ T791] ___sys_sendmsg (net/socket.c:2670) 
[ 252.145012][ T791] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 252.145300][ T791] ? __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) 
[ 252.145674][ T791] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 252.145963][ T791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.146257][ T791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.146568][ T791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.146883][ T791] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 252.147191][ T791] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.147501][ T791] __sys_sendmsg (net/socket.c:2700) 
[ 252.147813][ T791] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 252.148179][ T791] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 252.148510][ T791] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.148810][ T791] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 252.149114][ T791] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  252.149489][  T791] RIP: 0033:0x7f7089ccf1e7
[ 252.149788][ T791] 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)
[  252.150806][  T791] RSP: 002b:00007ffcc778e568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  252.151260][  T791] RAX: ffffffffffffffda RBX: 00007ffcc778ec90 RCX: 00007f7089ccf1e7
[  252.151701][  T791] RDX: 0000000000000000 RSI: 00007ffcc778e5d0 RDI: 0000000000000005
[  252.152129][  T791] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  252.152579][  T791] R10: 00007f7089bccee8 R11: 0000000000000246 R12: 0000000000000004
[  252.153013][  T791] R13: 00000000686e6398 R14: 0000000000499600 R15: 0000000000000000
| [  252.909307][  T803] ------------[ cut here ]------------
| [ 252.909715][ T803] WARNING: CPU: 2 PID: 803 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) 
| [  252.910432][  T803] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  252.912491][  T803] Tainted: [W]=WARN
[  252.912752][  T803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 252.913171][ T803] 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) 
[ 252.913517][ T803] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  252.914692][  T803] RSP: 0018:ffffc90000626ef0 EFLAGS: 00010246
[  252.915130][  T803] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  252.915643][  T803] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  252.916175][  T803] RBP: ffffc90000626fe0 R08: 0000000000000000 R09: 0000000000000000
[  252.916670][  T803] R10: ffffc90000627010 R11: ffffffffb88a8918 R12: 1ffff920000c4de2
[  252.917452][  T803] R13: 00000000000005dc R14: ffffc90000627010 R15: ffff888009a7af08
[  252.917933][  T803] FS:  00007f6252dc1800(0000) GS:ffff88807c7b7000(0000) knlGS:0000000000000000
[  252.918497][  T803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  252.918922][  T803] CR2: 00000000004e5aa8 CR3: 000000000dd57003 CR4: 0000000000772ef0
[  252.919413][  T803] PKRU: 55555554
[  252.919681][  T803] Call Trace:
[  252.919978][  T803]  <TASK>
[ 252.920158][ T803] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 252.920510][ T803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.920850][ T803] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 252.921200][ T803] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 252.921623][ T803] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 252.921952][ T803] netif_set_mtu (net/core/dev.c:9652) 
[ 252.922288][ T803] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 252.922629][ T803] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 252.923089][ T803] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 252.923339][ T803] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 252.923828][ T803] br_add_if (net/bridge/br_if.c:697) bridge 
[ 252.924223][ T803] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 252.924576][ T803] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 252.924929][ T803] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 252.925351][ T803] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 252.925686][ T803] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 252.926022][ T803] ? __kernel_text_address (kernel/extable.c:79) 
[ 252.926347][ T803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.926693][ T803] ? __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) 
[ 252.927022][ T803] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 252.927438][ T803] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.927776][ T803] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.928139][ T803] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 252.928517][ T803] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 252.928846][ T803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.929170][ T803] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 252.929507][ T803] ? __create_object (mm/kmemleak.c:771) 
[ 252.929870][ T803] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 252.930209][ T803] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 252.930542][ T803] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 252.930981][ T803] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 252.931319][ T803] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 252.931673][ T803] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.932036][ T803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.932402][ T803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.932742][ T803] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 252.933067][ T803] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.933393][ T803] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.933730][ T803] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 252.934086][ T803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.934418][ T803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.934757][ T803] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 252.935105][ T803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.935461][ T803] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 252.935823][ T803] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 252.936162][ T803] ? 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) 
[ 252.936514][ T803] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 252.936969][ T803] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 252.937298][ T803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.937641][ T803] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 252.937973][ T803] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 252.938322][ T803] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 252.938669][ T803] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 252.939008][ T803] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 252.939333][ T803] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 252.939757][ T803] ___sys_sendmsg (net/socket.c:2670) 
[ 252.940130][ T803] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 252.940474][ T803] ? __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) 
[ 252.940912][ T803] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 252.941238][ T803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.941591][ T803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.941922][ T803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.942248][ T803] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 252.942582][ T803] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.942913][ T803] __sys_sendmsg (net/socket.c:2700) 
[ 252.943237][ T803] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 252.943645][ T803] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 252.944052][ T803] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.944389][ T803] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 252.944741][ T803] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  252.945169][  T803] RIP: 0033:0x7f6252f8e1e7
[ 252.945520][ T803] 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)
[  252.946674][  T803] RSP: 002b:00007ffc40558c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  252.947163][  T803] RAX: ffffffffffffffda RBX: 00007ffc40559370 RCX: 00007f6252f8e1e7
[  252.947660][  T803] RDX: 0000000000000000 RSI: 00007ffc40558cb0 RDI: 0000000000000005
[  252.948181][  T803] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  252.948686][  T803] R10: 00000000187bb910 R11: 0000000000000246 R12: 0000000000000005
[  252.949186][  T803] R13: 00000000686e6399 R14: 0000000000499600 R15: 0000000000000000
| [  253.153213][  T808] ------------[ cut here ]------------
| [ 253.153557][ T808] WARNING: CPU: 1 PID: 808 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) 
| [  253.154168][  T808] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.156775][  T808] Tainted: [W]=WARN
[  253.157009][  T808] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.157392][ T808] 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) 
[ 253.157740][ T808] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.158865][  T808] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[  253.159255][  T808] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  253.159725][  T808] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  253.160185][  T808] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[  253.160660][  T808] R10: ffffc90000547010 R11: ffffffffb88a8918 R12: 1ffff920000a8de2
[  253.161118][  T808] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff888009a7af08
[  253.161698][  T808] FS:  00007f689cf54800(0000) GS:ffff88807c737000(0000) knlGS:0000000000000000
[  253.162244][  T808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.162640][  T808] CR2: 00000000004e5ab8 CR3: 000000000965f004 CR4: 0000000000772ef0
[  253.163128][  T808] PKRU: 55555554
[  253.163355][  T808] Call Trace:
[  253.163597][  T808]  <TASK>
[ 253.163758][ T808] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.164124][ T808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.164455][ T808] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 253.164766][ T808] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 253.165184][ T808] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 253.165532][ T808] netif_set_mtu (net/core/dev.c:9652) 
[ 253.165856][ T808] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 253.166191][ T808] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 253.166654][ T808] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 253.166901][ T808] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 253.167348][ T808] br_add_if (net/bridge/br_if.c:697) bridge 
[ 253.167730][ T808] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 253.168061][ T808] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 253.168387][ T808] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.168800][ T808] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.169126][ T808] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.169469][ T808] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.169812][ T808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.170139][ T808] ? __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) 
[ 253.170475][ T808] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.170879][ T808] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.171207][ T808] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.171546][ T808] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.171871][ T808] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.172205][ T808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.172532][ T808] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.172839][ T808] ? __create_object (mm/kmemleak.c:771) 
[ 253.173168][ T808] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.173518][ T808] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.173854][ T808] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.174236][ T808] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.174557][ T808] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.174892][ T808] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.175196][ T808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.175517][ T808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.175833][ T808] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.176146][ T808] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.176466][ T808] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.176780][ T808] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.177089][ T808] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.177407][ T808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.177749][ T808] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.178069][ T808] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.178381][ T808] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.178709][ T808] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.179030][ T808] ? 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) 
[ 253.179343][ T808] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 253.179673][ T808] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.179979][ T808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.180288][ T808] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.180603][ T808] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.180917][ T808] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.181237][ T808] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.181573][ T808] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.181897][ T808] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.182292][ T808] ___sys_sendmsg (net/socket.c:2670) 
[ 253.182602][ T808] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.182912][ T808] ? __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) 
[ 253.183332][ T808] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.183675][ T808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.184005][ T808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.184344][ T808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.184682][ T808] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.185080][ T808] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.185476][ T808] __sys_sendmsg (net/socket.c:2700) 
[ 253.185797][ T808] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.186190][ T808] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.186528][ T808] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.186861][ T808] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.187187][ T808] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.187591][  T808] RIP: 0033:0x7f689d1211e7
[ 253.187924][ T808] 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)
[  253.189068][  T808] RSP: 002b:00007ffc0135fcb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.189564][  T808] RAX: ffffffffffffffda RBX: 00007ffc013603e0 RCX: 00007f689d1211e7
[  253.190043][  T808] RDX: 0000000000000000 RSI: 00007ffc0135fd20 RDI: 0000000000000005
[  253.190527][  T808] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  253.191001][  T808] R10: 000000002e89d910 R11: 0000000000000246 R12: 0000000000000005
[  253.191485][  T808] R13: 00000000686e6399 R14: 0000000000499600 R15: 0000000000000000
| [  253.385289][  T813] ------------[ cut here ]------------
| [ 253.386365][ T813] WARNING: CPU: 3 PID: 813 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) 
| [  253.387047][  T813] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.388434][  T813] Tainted: [W]=WARN
[  253.388714][  T813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.389112][ T813] 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) 
[ 253.389433][ T813] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.390568][  T813] RSP: 0018:ffffc900004e6ef0 EFLAGS: 00010246
[  253.390967][  T813] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  253.391454][  T813] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  253.391927][  T813] RBP: ffffc900004e6fe0 R08: 0000000000000000 R09: 0000000000000000
[  253.392391][  T813] R10: ffffc900004e7010 R11: ffffffffb88a8918 R12: 1ffff9200009cde2
[  253.392862][  T813] R13: 00000000000005dc R14: ffffc900004e7010 R15: ffff888009a7af08
[  253.393331][  T813] FS:  00007f2d82c65800(0000) GS:ffff88807c837000(0000) knlGS:0000000000000000
[  253.393877][  T813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.394266][  T813] CR2: 00000000004e5ac0 CR3: 00000000101d7005 CR4: 0000000000772ef0
[  253.394759][  T813] PKRU: 55555554
[  253.395034][  T813] Call Trace:
[  253.395270][  T813]  <TASK>
[ 253.395436][ T813] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.395766][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.396105][ T813] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 253.396414][ T813] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 253.396813][ T813] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 253.397127][ T813] netif_set_mtu (net/core/dev.c:9652) 
[ 253.397472][ T813] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 253.397802][ T813] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 253.398235][ T813] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 253.398481][ T813] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 253.398907][ T813] br_add_if (net/bridge/br_if.c:697) bridge 
[ 253.399263][ T813] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 253.399593][ T813] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 253.399931][ T813] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.400327][ T813] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.400645][ T813] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.400956][ T813] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.401286][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.401613][ T813] ? __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) 
[ 253.401923][ T813] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.402314][ T813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.402639][ T813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.402946][ T813] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.403261][ T813] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.403579][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.403901][ T813] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.404206][ T813] ? __create_object (mm/kmemleak.c:771) 
[ 253.404526][ T813] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.404851][ T813] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.405163][ T813] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.405553][ T813] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.405867][ T813] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.406197][ T813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.406517][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.406835][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.407146][ T813] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.407475][ T813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.407786][ T813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.408122][ T813] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.408660][ T813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.409158][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.409703][ T813] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.410191][ T813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.410769][ T813] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.411318][ T813] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.411898][ T813] ? 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) 
[ 253.412420][ T813] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 253.412964][ T813] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.413526][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.414073][ T813] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.414662][ T813] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.415192][ T813] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.415772][ T813] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.416323][ T813] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.416899][ T813] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.417633][ T813] ___sys_sendmsg (net/socket.c:2670) 
[ 253.418188][ T813] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.418743][ T813] ? __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) 
[ 253.419462][ T813] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.420022][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.420610][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.421180][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.421767][ T813] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.422334][ T813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.422899][ T813] __sys_sendmsg (net/socket.c:2700) 
[ 253.423426][ T813] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.424106][ T813] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.424685][ T813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.425240][ T813] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.425806][ T813] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.426487][  T813] RIP: 0033:0x7f2d82e321e7
[ 253.427034][ T813] 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)
[  253.428954][  T813] RSP: 002b:00007ffd2777dde8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.429783][  T813] RAX: ffffffffffffffda RBX: 00007ffd2777e510 RCX: 00007f2d82e321e7
[  253.430594][  T813] RDX: 0000000000000000 RSI: 00007ffd2777de50 RDI: 0000000000000005
[  253.431391][  T813] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  253.432201][  T813] R10: 000000002cefe910 R11: 0000000000000246 R12: 0000000000000005
[  253.433002][  T813] R13: 00000000686e639a R14: 0000000000499600 R15: 0000000000000000
| [  253.776818][  T821] ------------[ cut here ]------------
| [ 253.777227][ T821] WARNING: CPU: 2 PID: 821 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) 
| [  253.777835][  T821] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.779189][  T821] Tainted: [W]=WARN
[  253.779420][  T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.779813][ T821] 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) 
[ 253.780128][ T821] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.781175][  T821] RSP: 0018:ffffc900004c7140 EFLAGS: 00010246
[  253.781557][  T821] RAX: 0000000000000000 RBX: ffff888002141000 RCX: 0000000000000001
[  253.781999][  T821] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  253.782437][  T821] RBP: ffffc900004c7230 R08: ffff88800dc86800 R09: 0000000000000000
[  253.782913][  T821] R10: ffffc900004c75c8 R11: ffffffffb8850668 R12: 1ffff92000098e2c
[  253.783349][  T821] R13: 0000000000002710 R14: ffffc900004c7880 R15: ffff88800e87aa60
[  253.783801][  T821] FS:  00007f76e4023800(0000) GS:ffff88807c7b7000(0000) knlGS:0000000000000000
[  253.784326][  T821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.784725][  T821] CR2: 00000000004e5aa8 CR3: 000000001237f003 CR4: 0000000000772ef0
[  253.785187][  T821] PKRU: 55555554
[  253.785419][  T821] Call Trace:
[  253.785663][  T821]  <TASK>
[ 253.785833][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.786145][ T821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.786479][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.786782][ T821] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 253.787086][ T821] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 253.787391][ T821] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 253.787712][ T821] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 253.788021][ T821] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.788389][ T821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.788708][ T821] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.789005][ T821] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.789311][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.789641][ T821] ? __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) 
[ 253.789944][ T821] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.790310][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.790636][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.790934][ T821] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.791234][ T821] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.791575][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.791872][ T821] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.792157][ T821] ? __create_object (mm/kmemleak.c:771) 
[ 253.792465][ T821] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.792780][ T821] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.793083][ T821] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.793457][ T821] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.793758][ T821] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.794059][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.794351][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.794676][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.795031][ T821] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.795327][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.795639][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.795931][ T821] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.796232][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.796551][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.796851][ T821] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.797146][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.797459][ T821] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.797765][ T821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.798054][ T821] ? 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) 
[ 253.798378][ T821] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 253.798743][ T821] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.799040][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.799342][ T821] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.799662][ T821] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.799960][ T821] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.800278][ T821] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.800592][ T821] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.800888][ T821] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.801276][ T821] ___sys_sendmsg (net/socket.c:2670) 
[ 253.801588][ T821] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.801884][ T821] ? __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) 
[ 253.802244][ T821] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.802581][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.802882][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.803182][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.803501][ T821] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.803800][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.804105][ T821] __sys_sendmsg (net/socket.c:2700) 
[ 253.804401][ T821] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.804785][ T821] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.805151][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.805477][ T821] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.805776][ T821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.806133][  T821] RIP: 0033:0x7f76e41f01e7
[ 253.806466][ T821] 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)
[  253.807500][  T821] RSP: 002b:00007fff45e707b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.807962][  T821] RAX: ffffffffffffffda RBX: 00007fff45e70ee0 RCX: 00007f76e41f01e7
[  253.808394][  T821] RDX: 0000000000000000 RSI: 00007fff45e70820 RDI: 0000000000000005
[  253.808869][  T821] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  253.809302][  T821] R10: 00007f76e40edee8 R11: 0000000000000246 R12: 0000000000000004
[  253.809757][  T821] R13: 00000000686e639a R14: 0000000000499600 R15: 0000000000000000
| [  253.813844][  T821] ------------[ cut here ]------------
| [ 253.814198][ T821] WARNING: CPU: 2 PID: 821 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) 
| [  253.814951][  T821] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.816407][  T821] Tainted: [W]=WARN
[  253.816669][  T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.817076][ T821] 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) 
[ 253.817411][ T821] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.818578][  T821] RSP: 0018:ffffc900004c6de0 EFLAGS: 00010246
[  253.818986][  T821] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  253.819475][  T821] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  253.819968][  T821] RBP: ffffc900004c6ed0 R08: 0000000000000000 R09: 0000000000000000
[  253.820460][  T821] R10: ffffc900004c6f00 R11: ffff888002141000 R12: 1ffff92000098dc0
[  253.820939][  T821] R13: 00000000000005dc R14: ffffc900004c6f00 R15: ffff888009a7af08
[  253.821424][  T821] FS:  00007f76e4023800(0000) GS:ffff88807c7b7000(0000) knlGS:0000000000000000
[  253.821993][  T821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.822410][  T821] CR2: 00000000004e5aa8 CR3: 000000001237f003 CR4: 0000000000772ef0
[  253.822919][  T821] PKRU: 55555554
[  253.823169][  T821] Call Trace:
[  253.823418][  T821]  <TASK>
[ 253.823614][ T821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.823941][ T821] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 253.824277][ T821] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 253.824625][ T821] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 253.824967][ T821] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 253.825292][ T821] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 253.825649][ T821] netif_set_mtu (net/core/dev.c:9652) 
[ 253.825977][ T821] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 253.826313][ T821] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 253.826591][ T821] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 253.827061][ T821] br_device_event (net/bridge/br.c:142) bridge 
[ 253.827423][ T821] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 253.827880][ T821] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 253.828215][ T821] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 253.828552][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.828888][ T821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.829206][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.829560][ T821] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 253.829885][ T821] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 253.830211][ T821] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 253.830573][ T821] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 253.830906][ T821] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.831311][ T821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.831654][ T821] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.831986][ T821] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.832312][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.832647][ T821] ? __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) 
[ 253.832973][ T821] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.833376][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.833712][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.834039][ T821] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.834370][ T821] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.834727][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.835078][ T821] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.835415][ T821] ? __create_object (mm/kmemleak.c:771) 
[ 253.835758][ T821] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.836082][ T821] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.836406][ T821] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.836819][ T821] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.837150][ T821] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.837487][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.837812][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.838156][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.838506][ T821] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.838828][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.839152][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.839497][ T821] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.839827][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.840151][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.840487][ T821] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.840810][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.841141][ T821] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.841487][ T821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.841816][ T821] ? 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) 
[ 253.842140][ T821] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 253.842489][ T821] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.843122][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.843467][ T821] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.843804][ T821] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.844138][ T821] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.844722][ T821] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.845068][ T821] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.845389][ T821] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.845809][ T821] ___sys_sendmsg (net/socket.c:2670) 
[ 253.846369][ T821] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.846722][ T821] ? __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) 
[ 253.847124][ T821] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.847710][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.848036][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.848364][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.848695][ T821] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.849018][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.849593][ T821] __sys_sendmsg (net/socket.c:2700) 
[ 253.849919][ T821] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.850322][ T821] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.850921][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.851250][ T821] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.851584][ T821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.851978][  T821] RIP: 0033:0x7f76e41f01e7
[ 253.852572][ T821] 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)
[  253.853934][  T821] RSP: 002b:00007fff45e707b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.854430][  T821] RAX: ffffffffffffffda RBX: 00007fff45e70ee0 RCX: 00007f76e41f01e7
[  253.854947][  T821] RDX: 0000000000000000 RSI: 00007fff45e70820 RDI: 0000000000000005
[  253.855673][  T821] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  253.856165][  T821] R10: 00007f76e40edee8 R11: 0000000000000246 R12: 0000000000000004
[  253.856650][  T821] R13: 00000000686e639a R14: 0000000000499600 R15: 0000000000000000
| [  254.158755][  T829] ------------[ cut here ]------------
| [ 254.159086][ T829] WARNING: CPU: 0 PID: 829 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) 
| [  254.159661][  T829] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  254.160960][  T829] Tainted: [W]=WARN
[  254.161173][  T829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 254.161531][ T829] 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) 
[ 254.161855][ T829] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  254.162870][  T829] RSP: 0018:ffffc900005d7140 EFLAGS: 00010246
[  254.163224][  T829] RAX: 0000000000000000 RBX: ffff88800a961000 RCX: 0000000000000001
[  254.163649][  T829] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  254.164079][  T829] RBP: ffffc900005d7230 R08: ffff88800a382000 R09: 0000000000000000
[  254.164643][  T829] R10: ffffc900005d75c8 R11: ffffffffb8850668 R12: 1ffff920000bae2c
[  254.165092][  T829] R13: 0000000000002710 R14: ffffc900005d7880 R15: ffff888004e566e0
[  254.165671][  T829] FS:  00007f7c855e6800(0000) GS:ffff88807c6b7000(0000) knlGS:0000000000000000
[  254.166194][  T829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  254.166738][  T829] CR2: 00000000004e5ab8 CR3: 000000000b3d6005 CR4: 0000000000772ef0
[  254.167176][  T829] PKRU: 55555554
[  254.167382][  T829] Call Trace:
[  254.167629][  T829]  <TASK>
[ 254.167773][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.168070][ T829] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 254.168348][ T829] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.168640][ T829] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 254.168933][ T829] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 254.169223][ T829] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 254.169513][ T829] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 254.169797][ T829] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 254.170165][ T829] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 254.170439][ T829] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 254.170727][ T829] ? __kernel_text_address (kernel/extable.c:79) 
[ 254.171014][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.171298][ T829] ? __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) 
[ 254.171588][ T829] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 254.171932][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.172248][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.172537][ T829] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 254.172818][ T829] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 254.173108][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.173392][ T829] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 254.173675][ T829] ? __create_object (mm/kmemleak.c:771) 
[ 254.173953][ T829] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 254.174240][ T829] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 254.174525][ T829] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 254.174887][ T829] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 254.175185][ T829] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 254.175478][ T829] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.175762][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.176050][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.176341][ T829] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 254.176626][ T829] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.176905][ T829] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.177196][ T829] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 254.177479][ T829] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.177771][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.178051][ T829] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 254.178360][ T829] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.178648][ T829] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 254.178934][ T829] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 254.179220][ T829] ? 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) 
[ 254.179512][ T829] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 254.179794][ T829] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 254.180068][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.180360][ T829] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 254.180650][ T829] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 254.180974][ T829] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 254.181301][ T829] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 254.181594][ T829] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 254.181867][ T829] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 254.182227][ T829] ___sys_sendmsg (net/socket.c:2670) 
[ 254.182537][ T829] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 254.182815][ T829] ? __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) 
[ 254.183157][ T829] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 254.183457][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.183739][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.184021][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.184305][ T829] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 254.184624][ T829] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.184924][ T829] __sys_sendmsg (net/socket.c:2700) 
[ 254.185208][ T829] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 254.185584][ T829] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 254.185874][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.186168][ T829] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 254.186503][ T829] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  254.186858][  T829] RIP: 0033:0x7f7c857b31e7
[ 254.187163][ T829] 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)
[  254.188210][  T829] RSP: 002b:00007ffdac60e928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  254.188717][  T829] RAX: ffffffffffffffda RBX: 00007ffdac60f050 RCX: 00007f7c857b31e7
[  254.189158][  T829] RDX: 0000000000000000 RSI: 00007ffdac60e990 RDI: 0000000000000005
[  254.189623][  T829] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  254.190066][  T829] R10: 00007f7c856b0ee8 R11: 0000000000000246 R12: 0000000000000004
[  254.190537][  T829] R13: 00000000686e639a R14: 0000000000499600 R15: 0000000000000000
| [  254.194307][  T829] ------------[ cut here ]------------
| [ 254.194674][ T829] WARNING: CPU: 0 PID: 829 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) 
| [  254.195392][  T829] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  254.196872][  T829] Tainted: [W]=WARN
[  254.197120][  T829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 254.197520][ T829] 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) 
[ 254.197865][ T829] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  254.199007][  T829] RSP: 0018:ffffc900005d6de0 EFLAGS: 00010246
[  254.199412][  T829] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  254.199912][  T829] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  254.200379][  T829] RBP: ffffc900005d6ed0 R08: 0000000000000000 R09: 0000000000000000
[  254.200873][  T829] R10: ffffc900005d6f00 R11: ffff88800a961000 R12: 1ffff920000badc0
[  254.201345][  T829] R13: 00000000000005dc R14: ffffc900005d6f00 R15: ffff888009a7af08
[  254.201820][  T829] FS:  00007f7c855e6800(0000) GS:ffff88807c6b7000(0000) knlGS:0000000000000000
[  254.202382][  T829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  254.202790][  T829] CR2: 00000000004e5ab8 CR3: 000000000b3d6005 CR4: 0000000000772ef0
[  254.203299][  T829] PKRU: 55555554
[  254.203554][  T829] Call Trace:
[  254.203788][  T829]  <TASK>
[ 254.203973][ T829] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 254.204286][ T829] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 254.204611][ T829] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 254.205103][ T829] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 254.205425][ T829] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 254.205764][ T829] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 254.206118][ T829] netif_set_mtu (net/core/dev.c:9652) 
[ 254.206436][ T829] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 254.206789][ T829] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 254.207036][ T829] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 254.207478][ T829] br_device_event (net/bridge/br.c:142) bridge 
[ 254.207826][ T829] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 254.208277][ T829] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 254.208606][ T829] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 254.208916][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.209262][ T829] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 254.209583][ T829] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.209896][ T829] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 254.210222][ T829] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 254.210544][ T829] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 254.210869][ T829] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 254.211200][ T829] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 254.211601][ T829] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 254.211911][ T829] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 254.212234][ T829] ? __kernel_text_address (kernel/extable.c:79) 
[ 254.212559][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.212880][ T829] ? __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) 
[ 254.213200][ T829] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 254.213602][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.213913][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.214231][ T829] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 254.214550][ T829] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 254.214876][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.215187][ T829] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 254.215549][ T829] ? __create_object (mm/kmemleak.c:771) 
[ 254.215875][ T829] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 254.216190][ T829] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 254.216527][ T829] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 254.216915][ T829] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 254.217234][ T829] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 254.217571][ T829] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.217889][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.218205][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.218542][ T829] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 254.218859][ T829] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.219176][ T829] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.219512][ T829] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 254.219823][ T829] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.220148][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.220494][ T829] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 254.220808][ T829] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.221133][ T829] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 254.221520][ T829] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 254.221831][ T829] ? 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) 
[ 254.222163][ T829] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 254.222506][ T829] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 254.222825][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.223139][ T829] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 254.223474][ T829] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 254.223787][ T829] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 254.224105][ T829] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 254.224417][ T829] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 254.224744][ T829] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 254.225169][ T829] ___sys_sendmsg (net/socket.c:2670) 
[ 254.225491][ T829] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 254.225851][ T829] ? __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) 
[ 254.226257][ T829] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 254.226661][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.226979][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.227328][ T829] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.227704][ T829] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 254.228034][ T829] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.228370][ T829] __sys_sendmsg (net/socket.c:2700) 
[ 254.228730][ T829] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 254.229138][ T829] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 254.229485][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.229825][ T829] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 254.230156][ T829] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  254.230576][  T829] RIP: 0033:0x7f7c857b31e7
[ 254.230930][ T829] 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)
[  254.232112][  T829] RSP: 002b:00007ffdac60e928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  254.232628][  T829] RAX: ffffffffffffffda RBX: 00007ffdac60f050 RCX: 00007f7c857b31e7
[  254.233133][  T829] RDX: 0000000000000000 RSI: 00007ffdac60e990 RDI: 0000000000000005
[  254.233906][  T829] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  254.234390][  T829] R10: 00007f7c856b0ee8 R11: 0000000000000246 R12: 0000000000000004
[  254.234918][  T829] R13: 00000000686e639a R14: 0000000000499600 R15: 0000000000000000
| [  254.625289][  T837] ------------[ cut here ]------------
| [ 254.625652][ T837] WARNING: CPU: 0 PID: 837 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) 
| [  254.626239][  T837] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  254.628291][  T837] Tainted: [W]=WARN
[  254.628515][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 254.628909][ T837] 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) 
[ 254.629220][ T837] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  254.630290][  T837] RSP: 0018:ffffc90000637140 EFLAGS: 00010246
[  254.630672][  T837] RAX: 0000000000000000 RBX: ffff88800a899000 RCX: 0000000000000001
[  254.631114][  T837] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  254.631560][  T837] RBP: ffffc90000637230 R08: ffff88800dd1b800 R09: 0000000000000000
[  254.632006][  T837] R10: ffffc900006375c8 R11: ffffffffb8850668 R12: 1ffff920000c6e2c
[  254.632457][  T837] R13: 0000000000002710 R14: ffffc90000637880 R15: ffff888004e57160
[  254.632895][  T837] FS:  00007f307a70b800(0000) GS:ffff88807c6b7000(0000) knlGS:0000000000000000
[  254.633408][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  254.633785][  T837] CR2: 00000000004e5ac0 CR3: 00000000093a1001 CR4: 0000000000772ef0
[  254.634234][  T837] PKRU: 55555554
[  254.634465][  T837] Call Trace:
[  254.634694][  T837]  <TASK>
[ 254.634861][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.635155][ T837] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 254.635430][ T837] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.635723][ T837] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 254.636004][ T837] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 254.636283][ T837] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 254.636570][ T837] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 254.636852][ T837] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 254.637203][ T837] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 254.637505][ T837] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 254.637779][ T837] ? __kernel_text_address (kernel/extable.c:79) 
[ 254.638058][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.638364][ T837] ? __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) 
[ 254.638646][ T837] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 254.639007][ T837] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.639285][ T837] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.639568][ T837] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 254.639852][ T837] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 254.640139][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.640414][ T837] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 254.640694][ T837] ? __create_object (mm/kmemleak.c:771) 
[ 254.640976][ T837] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 254.641251][ T837] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 254.641532][ T837] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 254.641879][ T837] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 254.642161][ T837] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 254.642455][ T837] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.642731][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.643013][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.643287][ T837] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 254.643612][ T837] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.643905][ T837] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.644187][ T837] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 254.644473][ T837] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.644781][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.645094][ T837] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 254.645386][ T837] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.645668][ T837] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 254.646296][ T837] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 254.646607][ T837] ? 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) 
[ 254.646889][ T837] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 254.647196][ T837] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 254.647476][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.647756][ T837] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 254.648034][ T837] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 254.648310][ T837] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 254.648607][ T837] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 254.648886][ T837] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 254.649163][ T837] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 254.649524][ T837] ___sys_sendmsg (net/socket.c:2670) 
[ 254.649801][ T837] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 254.650075][ T837] ? __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) 
[ 254.650422][ T837] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 254.650714][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.650996][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.651279][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.651563][ T837] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 254.651839][ T837] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.652125][ T837] __sys_sendmsg (net/socket.c:2700) 
[ 254.652400][ T837] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 254.652748][ T837] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 254.653043][ T837] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.653321][ T837] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 254.653606][ T837] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  254.653957][  T837] RIP: 0033:0x7f307a8d81e7
[ 254.654279][ T837] 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)
[  254.655367][  T837] RSP: 002b:00007ffc2003f028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  254.655793][  T837] RAX: ffffffffffffffda RBX: 00007ffc2003f750 RCX: 00007f307a8d81e7
[  254.656205][  T837] RDX: 0000000000000000 RSI: 00007ffc2003f090 RDI: 0000000000000005
[  254.656627][  T837] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  254.657044][  T837] R10: 00007f307a7d5ee8 R11: 0000000000000246 R12: 0000000000000004
[  254.657466][  T837] R13: 00000000686e639b R14: 0000000000499600 R15: 0000000000000000
| [  254.660922][  T837] ------------[ cut here ]------------
| [ 254.661236][ T837] WARNING: CPU: 0 PID: 837 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) 
| [  254.661872][  T837] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  254.663282][  T837] Tainted: [W]=WARN
[  254.663529][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 254.663939][ T837] 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) 
[ 254.664259][ T837] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  254.665402][  T837] RSP: 0018:ffffc90000636de0 EFLAGS: 00010246
[  254.665814][  T837] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  254.666302][  T837] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  254.666776][  T837] RBP: ffffc90000636ed0 R08: 0000000000000000 R09: 0000000000000000
[  254.667254][  T837] R10: ffffc90000636f00 R11: ffff88800a899000 R12: 1ffff920000c6dc0
[  254.667746][  T837] R13: 0000000000002710 R14: ffffc90000636f00 R15: ffff888009a7af08
[  254.668219][  T837] FS:  00007f307a70b800(0000) GS:ffff88807c6b7000(0000) knlGS:0000000000000000
[  254.668776][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  254.669179][  T837] CR2: 00000000004e5ac0 CR3: 00000000093a1001 CR4: 0000000000772ef0
[  254.669659][  T837] PKRU: 55555554
[  254.669893][  T837] Call Trace:
[  254.670151][  T837]  <TASK>
[ 254.670315][ T837] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 254.670634][ T837] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 254.670951][ T837] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 254.671268][ T837] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 254.671589][ T837] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 254.671899][ T837] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 254.672219][ T837] netif_set_mtu (net/core/dev.c:9652) 
[ 254.672538][ T837] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 254.672870][ T837] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 254.673105][ T837] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 254.673556][ T837] br_device_event (net/bridge/br.c:142) bridge 
[ 254.673908][ T837] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 254.674331][ T837] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 254.674657][ T837] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 254.674994][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.675306][ T837] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 254.675624][ T837] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.675942][ T837] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 254.676261][ T837] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 254.676583][ T837] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 254.676898][ T837] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 254.677217][ T837] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 254.677653][ T837] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 254.677966][ T837] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 254.678300][ T837] ? __kernel_text_address (kernel/extable.c:79) 
[ 254.678621][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.678940][ T837] ? __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) 
[ 254.679248][ T837] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 254.679639][ T837] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.679957][ T837] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.680269][ T837] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 254.680588][ T837] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 254.680901][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.681209][ T837] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 254.681530][ T837] ? __create_object (mm/kmemleak.c:771) 
[ 254.681847][ T837] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 254.682157][ T837] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 254.682475][ T837] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 254.682862][ T837] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 254.683187][ T837] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 254.683509][ T837] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.683819][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.684132][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.684459][ T837] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 254.684774][ T837] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.685106][ T837] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.685417][ T837] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 254.685743][ T837] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.686058][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.686374][ T837] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 254.686720][ T837] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.687033][ T837] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 254.687354][ T837] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 254.687696][ T837] ? 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) 
[ 254.688021][ T837] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 254.688335][ T837] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 254.688654][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.688970][ T837] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 254.689280][ T837] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 254.689603][ T837] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 254.689920][ T837] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 254.690243][ T837] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 254.690560][ T837] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 254.690958][ T837] ___sys_sendmsg (net/socket.c:2670) 
[ 254.691262][ T837] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 254.691579][ T837] ? __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) 
[ 254.691966][ T837] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 254.692278][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.692609][ T837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.692924][ T837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.693232][ T837] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 254.693547][ T837] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.693870][ T837] __sys_sendmsg (net/socket.c:2700) 
[ 254.694176][ T837] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 254.694565][ T837] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 254.694901][ T837] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.695213][ T837] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 254.695531][ T837] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  254.695915][  T837] RIP: 0033:0x7f307a8d81e7
[ 254.696235][ T837] 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)
[  254.697633][  T837] RSP: 002b:00007ffc2003f028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  254.698337][  T837] RAX: ffffffffffffffda RBX: 00007ffc2003f750 RCX: 00007f307a8d81e7
[  254.698810][  T837] RDX: 0000000000000000 RSI: 00007ffc2003f090 RDI: 0000000000000005
[  254.699274][  T837] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  254.699981][  T837] R10: 00007f307a7d5ee8 R11: 0000000000000246 R12: 0000000000000004
[  254.700455][  T837] R13: 00000000686e639b R14: 0000000000499600 R15: 0000000000000000
| [  397.984523][ T1420] ------------[ cut here ]------------
| [ 397.984840][ T1420] WARNING: CPU: 3 PID: 1420 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) 
| [  397.985401][ T1420] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  397.986864][ T1420] Tainted: [W]=WARN
[  397.987075][ T1420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 397.987420][ T1420] 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) 
[ 397.987714][ T1420] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  397.988716][ T1420] RSP: 0018:ffffc90000dbf140 EFLAGS: 00010246
[  397.989070][ T1420] RAX: 0000000000000000 RBX: ffff888005414000 RCX: 0000000000000001
[  397.989661][ T1420] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  397.990084][ T1420] RBP: ffffc90000dbf230 R08: ffff888005140800 R09: 0000000000000000
[  397.990710][ T1420] R10: ffffc90000dbf5c8 R11: ffffffffb8850668 R12: 1ffff920001b7e2c
[  397.991131][ T1420] R13: 00000000000005dc R14: ffffc90000dbf880 R15: ffff8880118e3160
[  397.991567][ T1420] FS:  00007f800d3c1800(0000) GS:ffff88807c837000(0000) knlGS:0000000000000000
[  397.992060][ T1420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  397.992413][ T1420] CR2: 00000000004e5ac8 CR3: 000000000e589002 CR4: 0000000000772ef0
[  397.992839][ T1420] PKRU: 55555554
[  397.993052][ T1420] Call Trace:
[  397.993260][ T1420]  <TASK>
[ 397.993402][ T1420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 397.993699][ T1420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 397.993986][ T1420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 397.994267][ T1420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 397.994558][ T1420] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 397.994845][ T1420] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 397.995138][ T1420] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 397.995423][ T1420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 397.995780][ T1420] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 397.996061][ T1420] ? irqentry_exit (kernel/entry/common.c:311) 
[ 397.996338][ T1420] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 397.996630][ T1420] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.c:91) 
[ 397.996925][ T1420] ? __mutex_trylock_common (kernel/locking/mutex.c:109) 
[ 397.997212][ T1420] ? __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) 
[ 397.997497][ T1420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 397.997839][ T1420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 397.998117][ T1420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 397.998390][ T1420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 397.998677][ T1420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 397.998954][ T1420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 397.999238][ T1420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 397.999521][ T1420] ? __create_object (mm/kmemleak.c:771) 
[ 397.999802][ T1420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 398.000078][ T1420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 398.000352][ T1420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 398.000705][ T1420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 398.000987][ T1420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 398.001269][ T1420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.001561][ T1420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.001845][ T1420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.002121][ T1420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 398.002393][ T1420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.002678][ T1420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.002952][ T1420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 398.003227][ T1420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.003515][ T1420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.003804][ T1420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 398.004085][ T1420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.004360][ T1420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 398.004654][ T1420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 398.004926][ T1420] ? 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) 
[ 398.005214][ T1420] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.005505][ T1420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 398.005783][ T1420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.006063][ T1420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.006344][ T1420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 398.006629][ T1420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 398.006915][ T1420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.007196][ T1420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 398.007480][ T1420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 398.007839][ T1420] ___sys_sendmsg (net/socket.c:2670) 
[ 398.008112][ T1420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 398.008387][ T1420] ? __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) 
[ 398.008739][ T1420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 398.009015][ T1420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.009295][ T1420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.009584][ T1420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.009868][ T1420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 398.010143][ T1420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.010426][ T1420] __sys_sendmsg (net/socket.c:2700) 
[ 398.010725][ T1420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 398.011065][ T1420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 398.011353][ T1420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.011637][ T1420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.011922][ T1420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  398.012264][ T1420] RIP: 0033:0x7f800d58e1e7
[ 398.012564][ T1420] 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)
[  398.013557][ T1420] RSP: 002b:00007ffec0094808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  398.013988][ T1420] RAX: ffffffffffffffda RBX: 00007ffec0094f30 RCX: 00007f800d58e1e7
[  398.014400][ T1420] RDX: 0000000000000000 RSI: 00007ffec0094870 RDI: 0000000000000005
[  398.014820][ T1420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  398.015240][ T1420] R10: 00007f800d48bee8 R11: 0000000000000246 R12: 0000000000000004
[  398.015666][ T1420] R13: 00000000686e642a R14: 0000000000499600 R15: 0000000000000000
| [  398.153969][ T1422] ------------[ cut here ]------------
| [ 398.154302][ T1422] WARNING: CPU: 3 PID: 1422 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) 
| [  398.155985][ T1422] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  398.157502][ T1422] Tainted: [W]=WARN
[  398.157730][ T1422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 398.158096][ T1422] 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) 
[ 398.158403][ T1422] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  398.159450][ T1422] RSP: 0018:ffffc90000def140 EFLAGS: 00010246
[  398.159827][ T1422] RAX: 0000000000000000 RBX: ffff888005c84000 RCX: 0000000000000001
[  398.160262][ T1422] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  398.160708][ T1422] RBP: ffffc90000def230 R08: ffff888002235000 R09: 0000000000000000
[  398.161143][ T1422] R10: ffffc90000def5c8 R11: ffffffffb8850668 R12: 1ffff920001bde2c
[  398.161593][ T1422] R13: 00000000000005dc R14: ffffc90000def880 R15: ffff88800e4e51e0
[  398.162030][ T1422] FS:  00007f117b7b8800(0000) GS:ffff88807c837000(0000) knlGS:0000000000000000
[  398.162547][ T1422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  398.162915][ T1422] CR2: 00000000004e5ab0 CR3: 000000000b297003 CR4: 0000000000772ef0
[  398.163360][ T1422] PKRU: 55555554
[  398.163595][ T1422] Call Trace:
[  398.163815][ T1422]  <TASK>
[ 398.163964][ T1422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.164262][ T1422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 398.164560][ T1422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.164858][ T1422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 398.165176][ T1422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 398.165478][ T1422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 398.165784][ T1422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 398.166081][ T1422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 398.166462][ T1422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 398.166758][ T1422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 398.167047][ T1422] ? __kernel_text_address (kernel/extable.c:79) 
[ 398.167340][ T1422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.167655][ T1422] ? __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) 
[ 398.167956][ T1422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 398.168317][ T1422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.168619][ T1422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.168910][ T1422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 398.169203][ T1422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 398.169509][ T1422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.169801][ T1422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 398.170096][ T1422] ? __create_object (mm/kmemleak.c:771) 
[ 398.170389][ T1422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 398.170689][ T1422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 398.170982][ T1422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 398.171345][ T1422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 398.171652][ T1422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 398.171951][ T1422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.172243][ T1422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.172557][ T1422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.172850][ T1422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 398.173140][ T1422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.173437][ T1422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.173744][ T1422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 398.174039][ T1422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.174332][ T1422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.174648][ T1422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 398.174942][ T1422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.175252][ T1422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 398.175564][ T1422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 398.175856][ T1422] ? 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) 
[ 398.176147][ T1422] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.176439][ T1422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 398.176748][ T1422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.177045][ T1422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.177341][ T1422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 398.177646][ T1422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 398.177947][ T1422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.178248][ T1422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 398.178546][ T1422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 398.178932][ T1422] ___sys_sendmsg (net/socket.c:2670) 
[ 398.179222][ T1422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 398.179522][ T1422] ? __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) 
[ 398.179884][ T1422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 398.180181][ T1422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.180482][ T1422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.180778][ T1422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.181074][ T1422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 398.181373][ T1422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.181682][ T1422] __sys_sendmsg (net/socket.c:2700) 
[ 398.181974][ T1422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 398.182336][ T1422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 398.182712][ T1422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.183009][ T1422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.183305][ T1422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  398.183692][ T1422] RIP: 0033:0x7f117b9851e7
[ 398.183993][ T1422] 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)
[  398.185045][ T1422] RSP: 002b:00007ffef15ee538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  398.185502][ T1422] RAX: ffffffffffffffda RBX: 00007ffef15eec60 RCX: 00007f117b9851e7
[  398.185939][ T1422] RDX: 0000000000000000 RSI: 00007ffef15ee5a0 RDI: 0000000000000005
[  398.186376][ T1422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  398.186823][ T1422] R10: 00007f117b882ee8 R11: 0000000000000246 R12: 0000000000000004
[  398.187260][ T1422] R13: 00000000686e642a R14: 0000000000499600 R15: 0000000000000000
| [  398.326504][ T1424] ------------[ cut here ]------------
| [ 398.326834][ T1424] WARNING: CPU: 1 PID: 1424 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) 
| [  398.327414][ T1424] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  398.329020][ T1424] Tainted: [W]=WARN
[  398.329256][ T1424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 398.329647][ T1424] 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) 
[ 398.329952][ T1424] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  398.331987][ T1424] RSP: 0018:ffffc90000e0f140 EFLAGS: 00010246
[  398.332363][ T1424] RAX: 0000000000000000 RBX: ffff888002089000 RCX: 0000000000000001
[  398.332825][ T1424] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  398.333274][ T1424] RBP: ffffc90000e0f230 R08: ffff888010b93800 R09: 0000000000000000
[  398.333723][ T1424] R10: ffffc90000e0f5c8 R11: ffffffffb8850668 R12: 1ffff920001c1e2c
[  398.334172][ T1424] R13: 00000000000005dc R14: ffffc90000e0f880 R15: ffff88800e4e6360
[  398.334622][ T1424] FS:  00007f7967a12800(0000) GS:ffff88807c737000(0000) knlGS:0000000000000000
[  398.335145][ T1424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  398.335521][ T1424] CR2: 00000000004e5aa0 CR3: 0000000010cdf006 CR4: 0000000000772ef0
[  398.335983][ T1424] PKRU: 55555554
[  398.336202][ T1424] Call Trace:
[  398.336420][ T1424]  <TASK>
[ 398.336597][ T1424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.336897][ T1424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 398.337211][ T1424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.337534][ T1424] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 398.337846][ T1424] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 398.338173][ T1424] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 398.338504][ T1424] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 398.338835][ T1424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 398.339212][ T1424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 398.339520][ T1424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 398.339845][ T1424] ? __kernel_text_address (kernel/extable.c:79) 
[ 398.340150][ T1424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.340482][ T1424] ? __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) 
[ 398.340777][ T1424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 398.341152][ T1424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.341465][ T1424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.341788][ T1424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 398.342095][ T1424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 398.342397][ T1424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.342740][ T1424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 398.343046][ T1424] ? __create_object (mm/kmemleak.c:771) 
[ 398.343360][ T1424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 398.343670][ T1424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 398.343982][ T1424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 398.344346][ T1424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 398.344657][ T1424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 398.344961][ T1424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.345263][ T1424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.345598][ T1424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.345891][ T1424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 398.346202][ T1424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.346526][ T1424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.346818][ T1424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 398.347133][ T1424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.347437][ T1424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.347769][ T1424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 398.348077][ T1424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.348376][ T1424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 398.348692][ T1424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 398.348982][ T1424] ? 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) 
[ 398.349293][ T1424] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.349613][ T1424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 398.349914][ T1424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.350211][ T1424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.350525][ T1424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 398.350828][ T1424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 398.351128][ T1424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.351467][ T1424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 398.351784][ T1424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 398.352173][ T1424] ___sys_sendmsg (net/socket.c:2670) 
[ 398.352474][ T1424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 398.352767][ T1424] ? __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) 
[ 398.353155][ T1424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 398.353467][ T1424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.353777][ T1424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.354081][ T1424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.354374][ T1424] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 398.354692][ T1424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.355007][ T1424] __sys_sendmsg (net/socket.c:2700) 
[ 398.355303][ T1424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 398.355678][ T1424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 398.355985][ T1424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.356298][ T1424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.356618][ T1424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  398.356986][ T1424] RIP: 0033:0x7f7967bdf1e7
[ 398.357319][ T1424] 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)
[  398.358405][ T1424] RSP: 002b:00007fffcfa945e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  398.358883][ T1424] RAX: ffffffffffffffda RBX: 00007fffcfa94d10 RCX: 00007f7967bdf1e7
[  398.359328][ T1424] RDX: 0000000000000000 RSI: 00007fffcfa94650 RDI: 0000000000000005
[  398.359800][ T1424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  398.360242][ T1424] R10: 00007f7967adcee8 R11: 0000000000000246 R12: 0000000000000004
[  398.360730][ T1424] R13: 00000000686e642a R14: 0000000000499600 R15: 0000000000000000
| [  398.510082][ T1426] ------------[ cut here ]------------
| [ 398.510401][ T1426] WARNING: CPU: 3 PID: 1426 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) 
| [  398.512489][ T1426] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  398.514218][ T1426] Tainted: [W]=WARN
[  398.514491][ T1426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 398.514905][ T1426] 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) 
[ 398.515284][ T1426] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  398.516438][ T1426] RSP: 0018:ffffc90000e1ef70 EFLAGS: 00010246
[  398.516856][ T1426] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  398.517354][ T1426] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  398.517857][ T1426] RBP: ffffc90000e1f058 R08: 0000000000000000 R09: 0000000000000000
[  398.518343][ T1426] R10: ffffc90000e1f088 R11: ffffffffb3e00130 R12: 1ffff920001c3df2
[  398.518855][ T1426] R13: 0000000000002710 R14: ffffc90000e1f088 R15: ffff888009a7af08
[  398.519361][ T1426] FS:  00007fe148fb7800(0000) GS:ffff88807c837000(0000) knlGS:0000000000000000
[  398.519947][ T1426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  398.520369][ T1426] CR2: 00000000004e5ac0 CR3: 0000000004e88005 CR4: 0000000000772ef0
[  398.520881][ T1426] PKRU: 55555554
[  398.521124][ T1426] Call Trace:
[  398.521365][ T1426]  <TASK>
[ 398.521539][ T1426] ? __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) 
[ 398.521956][ T1426] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 398.522319][ T1426] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 398.522663][ T1426] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 398.522987][ T1426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 398.523313][ T1426] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.523643][ T1426] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.523964][ T1426] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.524296][ T1426] ? ___sys_sendmsg (net/socket.c:2670) 
[ 398.524623][ T1426] ? __sys_sendmsg (net/socket.c:2700) 
[ 398.524942][ T1426] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.525309][ T1426] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 398.525717][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.526049][ T1426] netif_set_mtu (net/core/dev.c:9652) 
[ 398.526377][ T1426] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 398.526763][ T1426] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 398.527012][ T1426] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 398.527472][ T1426] br_del_if (net/bridge/br_if.c:743) bridge 
[ 398.527830][ T1426] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 398.528162][ T1426] do_set_master (net/core/rtnetlink.c:2932) 
[ 398.528500][ T1426] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 398.528827][ T1426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 398.529233][ T1426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 398.529571][ T1426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 398.529894][ T1426] ? __kernel_text_address (kernel/extable.c:79) 
[ 398.530218][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.530570][ T1426] ? __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) 
[ 398.530892][ T1426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 398.531290][ T1426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.531628][ T1426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.531955][ T1426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 398.532274][ T1426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 398.532607][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.532932][ T1426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 398.533258][ T1426] ? __create_object (mm/kmemleak.c:771) 
[ 398.533594][ T1426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 398.533917][ T1426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 398.534246][ T1426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 398.534672][ T1426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 398.535014][ T1426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 398.535348][ T1426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.535680][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.536007][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.536329][ T1426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 398.536661][ T1426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.537008][ T1426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.537331][ T1426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 398.537666][ T1426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.537991][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.538318][ T1426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 398.538660][ T1426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.538981][ T1426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 398.539323][ T1426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 398.539678][ T1426] ? 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) 
[ 398.540002][ T1426] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.540325][ T1426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 398.540653][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.540982][ T1426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.541311][ T1426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 398.541670][ T1426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 398.542002][ T1426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.542328][ T1426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 398.542669][ T1426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 398.543081][ T1426] ___sys_sendmsg (net/socket.c:2670) 
[ 398.543400][ T1426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 398.543728][ T1426] ? __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) 
[ 398.544137][ T1426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 398.544473][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.544797][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.545134][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.545467][ T1426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 398.545791][ T1426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.546118][ T1426] __sys_sendmsg (net/socket.c:2700) 
[ 398.546436][ T1426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 398.546873][ T1426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 398.547205][ T1426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.547545][ T1426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.547871][ T1426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  398.548269][ T1426] RIP: 0033:0x7fe1491841e7
[ 398.548611][ T1426] 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)
[  398.549774][ T1426] RSP: 002b:00007ffff6695dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  398.550260][ T1426] RAX: ffffffffffffffda RBX: 00007ffff6696500 RCX: 00007fe1491841e7
[  398.550765][ T1426] RDX: 0000000000000000 RSI: 00007ffff6695e40 RDI: 0000000000000005
[  398.551254][ T1426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  398.551747][ T1426] R10: 00007fe149081ee8 R11: 0000000000000246 R12: 0000000000000004
[  398.552251][ T1426] R13: 00000000686e642b R14: 0000000000499600 R15: 0000000000000000
| [  398.698213][ T1428] ------------[ cut here ]------------
| [ 398.700145][ T1428] WARNING: CPU: 1 PID: 1428 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) 
| [  398.700772][ T1428] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  398.702365][ T1428] Tainted: [W]=WARN
[  398.702613][ T1428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 398.703099][ T1428] 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) 
[ 398.703421][ T1428] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  398.704535][ T1428] RSP: 0018:ffffc90000e3ef70 EFLAGS: 00010246
[  398.704926][ T1428] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  398.705406][ T1428] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  398.705887][ T1428] RBP: ffffc90000e3f058 R08: 0000000000000000 R09: 0000000000000000
[  398.706349][ T1428] R10: ffffc90000e3f088 R11: ffffffffb7f79160 R12: 1ffff920001c7df2
[  398.706822][ T1428] R13: 0000000000002710 R14: ffffc90000e3f088 R15: ffff888009a7af08
[  398.707284][ T1428] FS:  00007f37c3cf5800(0000) GS:ffff88807c737000(0000) knlGS:0000000000000000
[  398.707843][ T1428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  398.708231][ T1428] CR2: 00000000004e5ab8 CR3: 000000000e679003 CR4: 0000000000772ef0
[  398.708704][ T1428] PKRU: 55555554
[  398.708960][ T1428] Call Trace:
[  398.709192][ T1428]  <TASK>
[ 398.709350][ T1428] ? __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) 
[ 398.709769][ T1428] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 398.710129][ T1428] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 398.710438][ T1428] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 398.710775][ T1428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 398.711114][ T1428] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.711425][ T1428] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.711742][ T1428] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.712053][ T1428] ? ___sys_sendmsg (net/socket.c:2670) 
[ 398.712366][ T1428] ? __sys_sendmsg (net/socket.c:2700) 
[ 398.712685][ T1428] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.712995][ T1428] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 398.713377][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.713704][ T1428] netif_set_mtu (net/core/dev.c:9652) 
[ 398.714014][ T1428] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 398.714338][ T1428] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 398.714583][ T1428] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 398.715023][ T1428] br_del_if (net/bridge/br_if.c:743) bridge 
[ 398.715367][ T1428] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 398.715693][ T1428] do_set_master (net/core/rtnetlink.c:2932) 
[ 398.716003][ T1428] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 398.716314][ T1428] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 398.716710][ T1428] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 398.717019][ T1428] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 398.717332][ T1428] ? __kernel_text_address (kernel/extable.c:79) 
[ 398.717652][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.717965][ T1428] ? __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) 
[ 398.718272][ T1428] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 398.718669][ T1428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.718980][ T1428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.719287][ T1428] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 398.719613][ T1428] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 398.719922][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.720228][ T1428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 398.720543][ T1428] ? __create_object (mm/kmemleak.c:771) 
[ 398.720916][ T1428] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 398.721223][ T1428] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 398.721542][ T1428] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 398.721923][ T1428] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 398.722240][ T1428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 398.722563][ T1428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.722876][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.723213][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.723530][ T1428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 398.723835][ T1428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.724145][ T1428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.724475][ T1428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 398.724792][ T1428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.725125][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.725440][ T1428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 398.725764][ T1428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.726078][ T1428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 398.726398][ T1428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 398.726718][ T1428] ? 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) 
[ 398.727053][ T1428] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.727369][ T1428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 398.727685][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.727998][ T1428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.728331][ T1428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 398.728653][ T1428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 398.728968][ T1428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.729649][ T1428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 398.729961][ T1428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 398.730356][ T1428] ___sys_sendmsg (net/socket.c:2670) 
[ 398.730675][ T1428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 398.731011][ T1428] ? __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) 
[ 398.731395][ T1428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 398.731714][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.732038][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.732370][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.732689][ T1428] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 398.733000][ T1428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.733317][ T1428] __sys_sendmsg (net/socket.c:2700) 
[ 398.733631][ T1428] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 398.734018][ T1428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 398.734346][ T1428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.734666][ T1428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.734975][ T1428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  398.735374][ T1428] RIP: 0033:0x7f37c3ec21e7
[ 398.735706][ T1428] 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)
[  398.736821][ T1428] RSP: 002b:00007ffdb06b0498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  398.737290][ T1428] RAX: ffffffffffffffda RBX: 00007ffdb06b0bc0 RCX: 00007f37c3ec21e7
[  398.737764][ T1428] RDX: 0000000000000000 RSI: 00007ffdb06b0500 RDI: 0000000000000005
[  398.738226][ T1428] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  398.738706][ T1428] R10: 00007f37c3dbfee8 R11: 0000000000000246 R12: 0000000000000004
[  398.739171][ T1428] R13: 00000000686e642b R14: 0000000000499600 R15: 0000000000000000
| [  398.905998][ T1430] ------------[ cut here ]------------
| [ 398.906317][ T1430] WARNING: CPU: 1 PID: 1430 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) 
| [  398.907427][ T1430] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  398.909166][ T1430] Tainted: [W]=WARN
[  398.909396][ T1430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 398.909799][ T1430] 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) 
[ 398.910130][ T1430] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  398.911275][ T1430] RSP: 0018:ffffc90000e5ef70 EFLAGS: 00010246
[  398.911698][ T1430] RAX: 0000000000000000 RBX: ffff888009a7a000 RCX: 0000000000000001
[  398.912214][ T1430] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  398.912707][ T1430] RBP: ffffc90000e5f058 R08: 0000000000000000 R09: 0000000000000000
[  398.913232][ T1430] R10: ffffc90000e5f088 R11: ffffffffb7f79160 R12: 1ffff920001cbdf2
[  398.913696][ T1430] R13: 00000000000005dc R14: ffffc90000e5f088 R15: ffff888009a7af08
[  398.914162][ T1430] FS:  00007f5c073fd800(0000) GS:ffff88807c737000(0000) knlGS:0000000000000000
[  398.914711][ T1430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  398.915111][ T1430] CR2: 00000000004e5aa8 CR3: 0000000010060004 CR4: 0000000000772ef0
[  398.915579][ T1430] PKRU: 55555554
[  398.915823][ T1430] Call Trace:
[  398.916057][ T1430]  <TASK>
[ 398.916212][ T1430] ? __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) 
[ 398.916613][ T1430] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 398.916980][ T1430] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 398.917299][ T1430] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 398.917640][ T1430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 398.917974][ T1430] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.918292][ T1430] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.918631][ T1430] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.918935][ T1430] ? ___sys_sendmsg (net/socket.c:2670) 
[ 398.919251][ T1430] ? __sys_sendmsg (net/socket.c:2700) 
[ 398.919565][ T1430] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.919869][ T1430] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 398.920261][ T1430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.920598][ T1430] netif_set_mtu (net/core/dev.c:9652) 
[ 398.920921][ T1430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 398.921264][ T1430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 398.921529][ T1430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 398.921969][ T1430] br_del_if (net/bridge/br_if.c:743) bridge 
[ 398.922310][ T1430] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 398.922628][ T1430] do_set_master (net/core/rtnetlink.c:2932) 
[ 398.922936][ T1430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 398.923266][ T1430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 398.923677][ T1430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 398.923990][ T1430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 398.924309][ T1430] ? __kernel_text_address (kernel/extable.c:79) 
[ 398.924641][ T1430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.924952][ T1430] ? __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) 
[ 398.925301][ T1430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 398.925726][ T1430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.926064][ T1430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.926368][ T1430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 398.926684][ T1430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 398.926992][ T1430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.927307][ T1430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 398.927646][ T1430] ? __create_object (mm/kmemleak.c:771) 
[ 398.927962][ T1430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 398.928271][ T1430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 398.928591][ T1430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 398.928983][ T1430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 398.929317][ T1430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 398.929654][ T1430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.929967][ T1430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.930289][ T1430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.930625][ T1430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 398.930954][ T1430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.931286][ T1430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.931617][ T1430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 398.931943][ T1430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.932266][ T1430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.932603][ T1430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 398.932908][ T1430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.933214][ T1430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 398.933551][ T1430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 398.933871][ T1430] ? 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) 
[ 398.934191][ T1430] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 398.934515][ T1430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 398.934822][ T1430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.935145][ T1430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.935482][ T1430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 398.935795][ T1430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 398.936117][ T1430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.936439][ T1430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 398.936777][ T1430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 398.937183][ T1430] ___sys_sendmsg (net/socket.c:2670) 
[ 398.937506][ T1430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 398.937811][ T1430] ? __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) 
[ 398.938215][ T1430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 398.938558][ T1430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.938876][ T1430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.939203][ T1430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.939532][ T1430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 398.939847][ T1430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.940192][ T1430] __sys_sendmsg (net/socket.c:2700) 
[ 398.940514][ T1430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 398.940900][ T1430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 398.941244][ T1430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.941563][ T1430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.941884][ T1430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  398.942260][ T1430] RIP: 0033:0x7f5c075ca1e7
[ 398.942586][ T1430] 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)
[  398.943715][ T1430] RSP: 002b:00007fffe6bb6178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  398.944214][ T1430] RAX: ffffffffffffffda RBX: 00007fffe6bb68a0 RCX: 00007f5c075ca1e7
[  398.944701][ T1430] RDX: 0000000000000000 RSI: 00007fffe6bb61e0 RDI: 0000000000000005
[  398.945188][ T1430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  398.945664][ T1430] R10: 00007f5c074c7ee8 R11: 0000000000000246 R12: 0000000000000004
[  398.946151][ T1430] R13: 00000000686e642b R14: 0000000000499600 R15: 0000000000000000
| [  399.312285][ T1434] ------------[ cut here ]------------
| [ 399.312630][ T1434] WARNING: CPU: 3 PID: 1434 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) 
| [  399.313205][ T1434] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  399.314702][ T1434] Tainted: [W]=WARN
[  399.314926][ T1434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 399.315297][ T1434] 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) 
[ 399.315604][ T1434] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  399.316650][ T1434] RSP: 0018:ffffc90000e6f140 EFLAGS: 00010246
[  399.317019][ T1434] RAX: 0000000000000000 RBX: ffff888005414000 RCX: 0000000000000001
[  399.317461][ T1434] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  399.317902][ T1434] RBP: ffffc90000e6f230 R08: ffff88800aa96800 R09: 0000000000000000
[  399.318328][ T1434] R10: ffffc90000e6f5c8 R11: ffffffffb8850668 R12: 1ffff920001cde2c
[  399.318765][ T1434] R13: 00000000000005dc R14: ffffc90000e6f880 R15: ffff8880118e1560
[  399.319200][ T1434] FS:  00007f6feec3a800(0000) GS:ffff88807c837000(0000) knlGS:0000000000000000
[  399.319717][ T1434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  399.320085][ T1434] CR2: 00000000004e5ac8 CR3: 000000000625a003 CR4: 0000000000772ef0
[  399.320529][ T1434] PKRU: 55555554
[  399.320744][ T1434] Call Trace:
[  399.320962][ T1434]  <TASK>
[ 399.321109][ T1434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 399.321404][ T1434] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 399.321700][ T1434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 399.322000][ T1434] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 399.322289][ T1434] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 399.322604][ T1434] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 399.322904][ T1434] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 399.323196][ T1434] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 399.323568][ T1434] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 399.323861][ T1434] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 399.324144][ T1434] ? __kernel_text_address (kernel/extable.c:79) 
[ 399.324432][ T1434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 399.324733][ T1434] ? __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) 
[ 399.325031][ T1434] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 399.325385][ T1434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 399.325683][ T1434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 399.325972][ T1434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 399.326263][ T1434] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 399.326567][ T1434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 399.326857][ T1434] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 399.327139][ T1434] ? __create_object (mm/kmemleak.c:771) 
[ 399.327426][ T1434] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 399.327722][ T1434] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 399.328009][ T1434] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 399.328370][ T1434] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 399.328674][ T1434] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 399.328967][ T1434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 399.329253][ T1434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 399.329553][ T1434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 399.329839][ T1434] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 399.330121][ T1434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 399.330408][ T1434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 399.330710][ T1434] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 399.331002][ T1434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 399.331292][ T1434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 399.331594][ T1434] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 399.331882][ T1434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 399.332170][ T1434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 399.332481][ T1434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 399.332773][ T1434] ? 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) 
[ 399.333063][ T1434] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 399.333352][ T1434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 399.333647][ T1434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 399.333941][ T1434] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 399.334232][ T1434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 399.334549][ T1434] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 399.334851][ T1434] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 399.335154][ T1434] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 399.335438][ T1434] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 399.335825][ T1434] ___sys_sendmsg (net/socket.c:2670) 
[ 399.336111][ T1434] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 399.336396][ T1434] ? __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) 
[ 399.336761][ T1434] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 399.337052][ T1434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 399.337342][ T1434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 399.337643][ T1434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 399.337930][ T1434] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 399.338216][ T1434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 399.338517][ T1434] __sys_sendmsg (net/socket.c:2700) 
[ 399.338805][ T1434] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 399.339163][ T1434] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 399.339472][ T1434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 399.339761][ T1434] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 399.340046][ T1434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  399.340400][ T1434] RIP: 0033:0x7f6feee071e7
[ 399.340706][ T1434] 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)
[  399.341736][ T1434] RSP: 002b:00007fff7c91aa58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  399.342172][ T1434] RAX: ffffffffffffffda RBX: 00007fff7c91b180 RCX: 00007f6feee071e7
[  399.342612][ T1434] RDX: 0000000000000000 RSI: 00007fff7c91aac0 RDI: 0000000000000005
[  399.343047][ T1434] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  399.343489][ T1434] R10: 00007f6feed04ee8 R11: 0000000000000246 R12: 0000000000000004
[  399.343918][ T1434] R13: 00000000686e642b R14: 0000000000499600 R15: 0000000000000000
| [  400.298505][ T1443] ------------[ cut here ]------------
| [ 400.298826][ T1443] WARNING: CPU: 3 PID: 1443 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) 
| [  400.299376][ T1443] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  400.300850][ T1443] Tainted: [W]=WARN
[  400.301059][ T1443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 400.301419][ T1443] 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) 
[ 400.301723][ T1443] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  400.303402][ T1443] RSP: 0018:ffffc90000eef140 EFLAGS: 00010246
[  400.304029][ T1443] RAX: 0000000000000000 RBX: ffff888005c84000 RCX: 0000000000000001
[  400.304747][ T1443] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  400.305495][ T1443] RBP: ffffc90000eef230 R08: ffff88800b006800 R09: 0000000000000000
[  400.306115][ T1443] R10: ffffc90000eef5c8 R11: ffffffffb8850668 R12: 1ffff920001dde2c
[  400.306778][ T1443] R13: 00000000000005dc R14: ffffc90000eef880 R15: ffff8880118e11e0
[  400.307485][ T1443] FS:  00007f84562d5800(0000) GS:ffff88807c837000(0000) knlGS:0000000000000000
[  400.308308][ T1443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  400.308941][ T1443] CR2: 00000000004e5ab0 CR3: 000000000f85a003 CR4: 0000000000772ef0
[  400.309692][ T1443] PKRU: 55555554
[  400.310057][ T1443] Call Trace:
[  400.310420][ T1443]  <TASK>
[ 400.310686][ T1443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 400.311190][ T1443] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 400.311695][ T1443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 400.312188][ T1443] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 400.312700][ T1443] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 400.313189][ T1443] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 400.313711][ T1443] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 400.314208][ T1443] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 400.314870][ T1443] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 400.315388][ T1443] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 400.315888][ T1443] ? __kernel_text_address (kernel/extable.c:79) 
[ 400.316388][ T1443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 400.316899][ T1443] ? __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) 
[ 400.317399][ T1443] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 400.318022][ T1443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 400.318528][ T1443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 400.319012][ T1443] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 400.319526][ T1443] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 400.320010][ T1443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 400.320479][ T1443] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 400.320959][ T1443] ? __create_object (mm/kmemleak.c:771) 
[ 400.321488][ T1443] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 400.321944][ T1443] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 400.322414][ T1443] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 400.323038][ T1443] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 400.323543][ T1443] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 400.324027][ T1443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 400.324513][ T1443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 400.325018][ T1443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 400.325529][ T1443] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 400.326006][ T1443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 400.326507][ T1443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 400.327000][ T1443] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 400.327502][ T1443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 400.327968][ T1443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 400.328474][ T1443] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 400.328951][ T1443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 400.329473][ T1443] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 400.329972][ T1443] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 400.330474][ T1443] ? 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) 
[ 400.330965][ T1443] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 400.331473][ T1443] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 400.331939][ T1443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 400.332466][ T1443] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 400.332953][ T1443] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 400.333439][ T1443] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 400.333964][ T1443] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 400.334479][ T1443] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 400.334964][ T1443] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 400.335618][ T1443] ___sys_sendmsg (net/socket.c:2670) 
[ 400.336095][ T1443] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 400.336614][ T1443] ? __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) 
[ 400.337225][ T1443] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 400.337732][ T1443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 400.338226][ T1443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 400.338750][ T1443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 400.339242][ T1443] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 400.339742][ T1443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 400.340262][ T1443] __sys_sendmsg (net/socket.c:2700) 
[ 400.340766][ T1443] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 400.341363][ T1443] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 400.341892][ T1443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 400.342386][ T1443] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 400.342891][ T1443] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  400.343514][ T1443] RIP: 0033:0x7f84564a21e7
[ 400.344024][ T1443] 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)
[  400.345774][ T1443] RSP: 002b:00007ffff29e5dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  400.346517][ T1443] RAX: ffffffffffffffda RBX: 00007ffff29e6500 RCX: 00007f84564a21e7
[  400.347260][ T1443] RDX: 0000000000000000 RSI: 00007ffff29e5e40 RDI: 0000000000000005
[  400.348010][ T1443] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  400.348763][ T1443] R10: 00007f845639fee8 R11: 0000000000000246 R12: 0000000000000004
[  400.349497][ T1443] R13: 00000000686e642c R14: 0000000000499600 R15: 0000000000000000
| [  401.584192][ T1454] ------------[ cut here ]------------
| [ 401.584724][ T1454] WARNING: CPU: 1 PID: 1454 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) 
| [  401.585572][ T1454] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  401.587066][ T1454] Tainted: [W]=WARN
[  401.587276][ T1454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 401.587636][ T1454] 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) 
[ 401.587929][ T1454] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  401.588932][ T1454] RSP: 0018:ffffc90000f7f140 EFLAGS: 00010246
[  401.589285][ T1454] RAX: 0000000000000000 RBX: ffff888002089000 RCX: 0000000000000001
[  401.589710][ T1454] RDX: 0000000000000000 RSI: ffffffffb7a9b939 RDI: ffffffffb72555e0
[  401.590124][ T1454] RBP: ffffc90000f7f230 R08: ffff8880102e5000 R09: 0000000000000000
[  401.590549][ T1454] R10: ffffc90000f7f5c8 R11: ffffffffb8850668 R12: 1ffff920001efe2c
[  401.591001][ T1454] R13: 00000000000005dc R14: ffffc90000f7f880 R15: ffff88800e4e6a60
[  401.591413][ T1454] FS:  00007fc2d28c5800(0000) GS:ffff88807c737000(0000) knlGS:0000000000000000
[  401.591918][ T1454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  401.592267][ T1454] CR2: 00000000004e5aa0 CR3: 00000000051d7006 CR4: 0000000000772ef0
[  401.592704][ T1454] PKRU: 55555554
[  401.592912][ T1454] Call Trace:
[  401.593118][ T1454]  <TASK>
[ 401.593260][ T1454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 401.593552][ T1454] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 401.593832][ T1454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 401.594111][ T1454] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 401.594395][ T1454] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 401.594688][ T1454] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 401.595013][ T1454] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 401.595308][ T1454] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 401.595703][ T1454] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 401.595980][ T1454] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 401.596262][ T1454] ? __kernel_text_address (kernel/extable.c:79) 
[ 401.596551][ T1454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.596833][ T1454] ? __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) 
[ 401.597113][ T1454] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 401.597480][ T1454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 401.597761][ T1454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 401.598038][ T1454] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 401.598314][ T1454] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 401.598600][ T1454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 401.598912][ T1454] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 401.599190][ T1454] ? __create_object (mm/kmemleak.c:771) 
[ 401.599478][ T1454] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 401.599772][ T1454] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 401.600050][ T1454] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 401.600391][ T1454] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 401.600683][ T1454] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 401.600965][ T1454] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 401.601238][ T1454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.601534][ T1454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 401.601811][ T1454] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 401.602097][ T1454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 401.602375][ T1454] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 401.602661][ T1454] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 401.602976][ T1454] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 401.603259][ T1454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.603552][ T1454] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 401.603829][ T1454] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 401.604113][ T1454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 401.604402][ T1454] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 401.604703][ T1454] ? 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) 
[ 401.604982][ T1454] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 401.605275][ T1454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 401.605560][ T1454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.605841][ T1454] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 401.606128][ T1454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 401.606407][ T1454] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 401.606699][ T1454] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 401.607013][ T1454] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 401.607290][ T1454] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 401.607657][ T1454] ___sys_sendmsg (net/socket.c:2670) 
[ 401.607932][ T1454] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 401.608214][ T1454] ? __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) 
[ 401.608567][ T1454] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 401.608845][ T1454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 401.609122][ T1454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.609405][ T1454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 401.609687][ T1454] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 401.609961][ T1454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 401.610247][ T1454] __sys_sendmsg (net/socket.c:2700) 
[ 401.610543][ T1454] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 401.610915][ T1454] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 401.611207][ T1454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 401.611500][ T1454] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 401.611776][ T1454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  401.612116][ T1454] RIP: 0033:0x7fc2d2a921e7
[ 401.612400][ T1454] 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)
[  401.613402][ T1454] RSP: 002b:00007ffc337212e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  401.613841][ T1454] RAX: ffffffffffffffda RBX: 00007ffc33721a10 RCX: 00007fc2d2a921e7
[  401.614253][ T1454] RDX: 0000000000000000 RSI: 00007ffc33721350 RDI: 0000000000000005
[  401.614680][ T1454] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  401.615131][ T1454] R10: 00007fc2d298fee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_device_event
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