======================================
| [   37.098842][  T448] GACT probability NOT on
| [   43.389058][  T505] ------------[ cut here ]------------
| [ 43.389902][ T505] WARNING: CPU: 2 PID: 505 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) 
| [   43.390563][  T505] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   43.391848][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.392311][ T505] 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) 
[ 43.392645][ T505] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.393802][  T505] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   43.394252][  T505] RAX: 0000000000000000 RBX: ffff8880020f4000 RCX: 0000000000000001
[   43.394728][  T505] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   43.395253][  T505] RBP: ffffc90000947230 R08: ffff88800bdba000 R09: 0000000000000000
[   43.395727][  T505] R10: ffffc900009475c8 R11: ffffffffb4e50668 R12: 1ffff92000128e2c
[   43.396245][  T505] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff88800f5198e0
[   43.396722][  T505] FS:  00007f07bc3e0800(0000) GS:ffff8880801b7000(0000) knlGS:0000000000000000
[   43.397311][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.397716][  T505] CR2: 00000000004e5aa0 CR3: 0000000009186006 CR4: 0000000000772ef0
[   43.398659][  T505] PKRU: 55555554
[   43.399058][  T505] Call Trace:
[   43.399461][  T505]  <TASK>
[ 43.399631][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.399973][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.400291][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.400631][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.400930][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.401294][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.401606][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.401941][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.402357][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.402670][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.402975][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.403298][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.403625][ T505] ? __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) 
[ 43.403931][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.404323][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.404629][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.404934][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.405271][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.405608][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.405934][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.406250][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 43.406557][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.406856][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.407172][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.407549][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.407858][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.408178][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.408479][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.408784][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.409086][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.409443][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.409750][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.410056][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.410370][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.410674][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.410981][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.411295][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.411597][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.411908][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.412226][ T505] ? 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) 
[ 43.412527][ T505] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.412831][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.413174][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.413482][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.413787][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.414087][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.414416][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.414722][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.415021][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.415416][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 43.415713][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.416014][ T505] ? __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) 
[ 43.416398][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.416745][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.417050][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.417409][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.417711][ T505] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.418014][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.418336][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 43.418640][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.419016][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.419360][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.419664][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.419966][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.420344][  T505] RIP: 0033:0x7f07bc5ad1e7
[ 43.420685][ T505] 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)
[   43.421762][  T505] RSP: 002b:00007ffc9c3a2aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.422229][  T505] RAX: ffffffffffffffda RBX: 00007ffc9c3a31d0 RCX: 00007f07bc5ad1e7
[   43.422704][  T505] RDX: 0000000000000000 RSI: 00007ffc9c3a2b10 RDI: 0000000000000005
[   43.423165][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.423627][  T505] R10: 00007f07bc4aaee8 R11: 0000000000000246 R12: 0000000000000004
[   43.424072][  T505] R13: 00000000686e3de1 R14: 0000000000499600 R15: 0000000000000000
| [   43.543504][  T506] ------------[ cut here ]------------
| [ 43.543848][ T506] WARNING: CPU: 3 PID: 506 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) 
| [   43.544429][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.545644][  T506] Tainted: [W]=WARN
[   43.545886][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.546559][ T506] 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) 
[ 43.546866][ T506] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.547893][  T506] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   43.548261][  T506] RAX: 0000000000000000 RBX: ffff888008639000 RCX: 0000000000000001
[   43.548679][  T506] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   43.549134][  T506] RBP: ffffc90000947230 R08: ffff88800dd48800 R09: 0000000000000000
[   43.549569][  T506] R10: ffffc900009475c8 R11: ffffffffb4e50668 R12: 1ffff92000128e2c
[   43.550003][  T506] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff88800f51a360
[   43.550438][  T506] FS:  00007f764e1e6800(0000) GS:ffff888080237000(0000) knlGS:0000000000000000
[   43.550937][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.551305][  T506] CR2: 00000000004e5aa8 CR3: 000000000be8a003 CR4: 0000000000772ef0
[   43.551736][  T506] PKRU: 55555554
[   43.551959][  T506] Call Trace:
[   43.552184][  T506]  <TASK>
[ 43.552328][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.552617][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.552911][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.553212][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.553496][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.553787][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.554085][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.554384][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.554743][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.555034][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.555329][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.555622][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.555920][ T506] ? __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) 
[ 43.556220][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.556568][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.556855][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.557158][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.557438][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.557726][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.558029][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.558327][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 43.558651][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.558936][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.559280][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.559631][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.559917][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.560243][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.560530][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.560821][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.561131][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.561416][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.561703][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.561990][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.562312][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.562610][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.562896][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.563206][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.563490][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.563785][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.564075][ T506] ? 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) 
[ 43.564385][ T506] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.564683][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.564966][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.565291][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.565585][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.565867][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.566182][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.566471][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.566757][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.567145][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 43.567433][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.567712][ T506] ? __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) 
[ 43.568060][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.568376][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.568661][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.568956][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.569292][ T506] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.569576][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.569863][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 43.570156][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.570520][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.570813][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.571122][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.571425][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.571774][  T506] RIP: 0033:0x7f764e3b31e7
[ 43.572065][ T506] 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)
[   43.573103][  T506] RSP: 002b:00007ffd428d6998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.573542][  T506] RAX: ffffffffffffffda RBX: 00007ffd428d70c0 RCX: 00007f764e3b31e7
[   43.573965][  T506] RDX: 0000000000000000 RSI: 00007ffd428d6a00 RDI: 0000000000000005
[   43.574413][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.574833][  T506] R10: 00007f764e2b0ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.575271][  T506] R13: 00000000686e3de1 R14: 0000000000499600 R15: 0000000000000000
| [   43.688010][  T507] ------------[ cut here ]------------
| [ 43.688396][ T507] WARNING: CPU: 2 PID: 507 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) 
| [   43.688983][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.690261][  T507] Tainted: [W]=WARN
[   43.690496][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.690870][ T507] 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) 
[ 43.691221][ T507] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.692288][  T507] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   43.692673][  T507] RAX: 0000000000000000 RBX: ffff88800dd51000 RCX: 0000000000000001
[   43.693129][  T507] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   43.693578][  T507] RBP: ffffc90000957230 R08: ffff888004eee800 R09: 0000000000000000
[   43.694050][  T507] R10: ffffc900009575c8 R11: ffffffffb4e50668 R12: 1ffff9200012ae2c
[   43.694510][  T507] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800f51ade0
[   43.694976][  T507] FS:  00007f93bbcc4800(0000) GS:ffff8880801b7000(0000) knlGS:0000000000000000
[   43.695504][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.695888][  T507] CR2: 00000000004e73c8 CR3: 0000000004d0c004 CR4: 0000000000772ef0
[   43.696348][  T507] PKRU: 55555554
[   43.696578][  T507] Call Trace:
[   43.696809][  T507]  <TASK>
[ 43.696971][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.697296][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.697599][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.697908][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.698232][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.698536][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.698843][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.699178][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.699562][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.699864][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.700178][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.700491][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.700799][ T507] ? __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) 
[ 43.701117][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.701492][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.701795][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.702110][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.702421][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.702742][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.703053][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.703371][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 43.703681][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.703985][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.704306][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.704679][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.704995][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.705319][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.705622][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.705932][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.706248][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.706548][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.706859][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.707177][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.707489][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.707793][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.708113][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.708418][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.708718][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.709041][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.709367][ T507] ? 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) 
[ 43.709684][ T507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.709996][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.710313][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.710629][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.710937][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.711255][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.711570][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.711878][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.712202][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.712589][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 43.712888][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.713203][ T507] ? __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) 
[ 43.713579][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.713887][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.714210][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.714522][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.714825][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.715152][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.715463][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 43.715763][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.716165][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.716481][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.716793][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.717113][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.717485][  T507] RIP: 0033:0x7f93bbe911e7
[ 43.717810][ T507] 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)
[   43.718899][  T507] RSP: 002b:00007ffccebe77c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.719374][  T507] RAX: ffffffffffffffda RBX: 00007ffccebe7ef0 RCX: 00007f93bbe911e7
[   43.719832][  T507] RDX: 0000000000000000 RSI: 00007ffccebe7830 RDI: 0000000000000005
[   43.720290][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.720742][  T507] R10: 00007f93bbd8eee8 R11: 0000000000000246 R12: 0000000000000004
[   43.721220][  T507] R13: 00000000686e3de1 R14: 0000000000499600 R15: 0000000000000000
| [   43.841275][  T508] ------------[ cut here ]------------
| [ 43.841681][ T508] WARNING: CPU: 3 PID: 508 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) 
| [   43.842304][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.843528][  T508] Tainted: [W]=WARN
[   43.843742][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.844119][ T508] 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) 
[ 43.844421][ T508] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.845467][  T508] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   43.845839][  T508] RAX: 0000000000000000 RBX: ffff88800a631000 RCX: 0000000000000001
[   43.846294][  T508] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   43.846722][  T508] RBP: ffffc90000967230 R08: ffff8880027ea000 R09: 0000000000000000
[   43.847163][  T508] R10: ffffc900009675c8 R11: ffffffffb4e50668 R12: 1ffff9200012ce2c
[   43.847601][  T508] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800dcb4760
[   43.848025][  T508] FS:  00007f3d7e603800(0000) GS:ffff888080237000(0000) knlGS:0000000000000000
[   43.848556][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.848911][  T508] CR2: 00000000004e5ab0 CR3: 000000000be8a005 CR4: 0000000000772ef0
[   43.849376][  T508] PKRU: 55555554
[   43.849591][  T508] Call Trace:
[   43.849805][  T508]  <TASK>
[ 43.849949][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.850250][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.850555][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.850840][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.851138][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.851437][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.851722][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.852009][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.852388][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.852680][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.852959][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.853250][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.853551][ T508] ? __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) 
[ 43.853839][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.854204][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.854499][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.854784][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.855066][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.855365][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.855656][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.855936][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 43.856233][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.856528][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.856809][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.857175][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.857475][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.857768][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.858050][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.858350][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.858649][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.858927][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.859243][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.859539][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.859826][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.860124][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.860411][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.860703][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.860985][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.861297][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.861644][ T508] ? 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) 
[ 43.861931][ T508] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.862233][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.862516][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.862820][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.863119][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.863406][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.863719][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.864011][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.864307][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.864690][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 43.864971][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.865268][ T508] ? __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) 
[ 43.865620][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.865920][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.866221][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.866509][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.866806][ T508] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.867087][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.867408][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 43.867685][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.868052][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.868361][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.868645][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.868936][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.869313][  T508] RIP: 0033:0x7f3d7e7d01e7
[ 43.869608][ T508] 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)
[   43.870645][  T508] RSP: 002b:00007fff9e4a3588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.871082][  T508] RAX: ffffffffffffffda RBX: 00007fff9e4a3cb0 RCX: 00007f3d7e7d01e7
[   43.871522][  T508] RDX: 0000000000000000 RSI: 00007fff9e4a35f0 RDI: 0000000000000005
[   43.871966][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.872404][  T508] R10: 00007f3d7e6cdee8 R11: 0000000000000246 R12: 0000000000000004
[   43.872824][  T508] R13: 00000000686e3de1 R14: 0000000000499600 R15: 0000000000000000
| [   43.995208][  T509] ------------[ cut here ]------------
| [ 43.995538][ T509] WARNING: CPU: 3 PID: 509 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) 
| [   43.996706][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.997949][  T509] Tainted: [W]=WARN
[   43.998174][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.998530][ T509] 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) 
[ 43.998845][ T509] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.999903][  T509] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   44.000277][  T509] RAX: 0000000000000000 RBX: ffff88800b92c000 RCX: 0000000000000001
[   44.000698][  T509] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   44.001148][  T509] RBP: ffffc90000967230 R08: ffff88800dc22000 R09: 0000000000000000
[   44.001570][  T509] R10: ffffc900009675c8 R11: ffffffffb4e50668 R12: 1ffff9200012ce2c
[   44.002015][  T509] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800dcb7860
[   44.002453][  T509] FS:  00007f1410296800(0000) GS:ffff888080237000(0000) knlGS:0000000000000000
[   44.002959][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.003328][  T509] CR2: 00000000004e55b8 CR3: 0000000004d0c006 CR4: 0000000000772ef0
[   44.003761][  T509] PKRU: 55555554
[   44.003992][  T509] Call Trace:
[   44.004218][  T509]  <TASK>
[ 44.004365][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.004660][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.004957][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.005262][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.005544][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.005832][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.006144][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.006431][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.006787][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.007082][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.007379][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.007665][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.007966][ T509] ? __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) 
[ 44.008267][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.008613][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.008896][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.009222][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.009506][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.009787][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.010113][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.010394][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 44.010714][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.010996][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.011312][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.011663][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.011951][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.012267][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.012559][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.012851][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.013168][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.013447][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.013728][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.014013][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.014330][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.014624][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.014912][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.015221][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.015506][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.015801][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.016083][ T509] ? 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) 
[ 44.016396][ T509] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.016687][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.016969][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.017286][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.017575][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.017857][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.018186][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.018489][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.018772][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.019177][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 44.019470][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.019751][ T509] ? __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) 
[ 44.020123][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.020423][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.020712][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.020998][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.021309][ T509] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.021609][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.021901][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 44.022193][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.022555][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.022845][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.023154][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.023466][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.023816][  T509] RIP: 0033:0x7f14104631e7
[ 44.024126][ T509] 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)
[   44.025157][  T509] RSP: 002b:00007fff2dd3c4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.025611][  T509] RAX: ffffffffffffffda RBX: 00007fff2dd3cc20 RCX: 00007f14104631e7
[   44.026036][  T509] RDX: 0000000000000000 RSI: 00007fff2dd3c560 RDI: 0000000000000005
[   44.026475][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.026912][  T509] R10: 00007f1410360ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.027362][  T509] R13: 00000000686e3de1 R14: 0000000000499600 R15: 0000000000000000
| [   44.155291][  T510] ------------[ cut here ]------------
| [ 44.155743][ T510] WARNING: CPU: 2 PID: 510 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) 
| [   44.156403][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.157635][  T510] Tainted: [W]=WARN
[   44.157869][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.158300][ T510] 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) 
[ 44.158618][ T510] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.159731][  T510] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   44.160147][  T510] RAX: 0000000000000000 RBX: ffff88800bcc1000 RCX: 0000000000000001
[   44.160621][  T510] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   44.161062][  T510] RBP: ffffc90000967230 R08: ffff888009015000 R09: 0000000000000000
[   44.161561][  T510] R10: ffffc900009675c8 R11: ffffffffb4e50668 R12: 1ffff9200012ce2c
[   44.162032][  T510] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800dcb4ae0
[   44.162521][  T510] FS:  00007fbb1a826800(0000) GS:ffff8880801b7000(0000) knlGS:0000000000000000
[   44.163063][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.163489][  T510] CR2: 00000000004e5ac8 CR3: 00000000090b2003 CR4: 0000000000772ef0
[   44.163937][  T510] PKRU: 55555554
[   44.164185][  T510] Call Trace:
[   44.164429][  T510]  <TASK>
[ 44.164621][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.164934][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.165255][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.165589][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.165891][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.166247][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.166567][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.166883][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.167274][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.167606][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.167934][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.168269][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.168596][ T510] ? __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) 
[ 44.168909][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.169349][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.169667][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.169996][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.170319][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.170637][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.170971][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.171290][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 44.171596][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.171912][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.172235][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.172633][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.172947][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.173276][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.173599][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.173908][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.174284][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.174592][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.174912][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.175234][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.175552][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.175858][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.176178][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.176496][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.176805][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.177134][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.177447][ T510] ? 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) 
[ 44.177751][ T510] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.178057][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.178387][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.178696][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.179008][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.179352][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.179679][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.179988][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.180304][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.180706][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 44.181005][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.181337][ T510] ? __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) 
[ 44.181727][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.182030][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.182349][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.182667][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.182969][ T510] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.183288][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.183610][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 44.183916][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.184301][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.184621][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.184928][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.185248][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.185626][  T510] RIP: 0033:0x7fbb1a9f31e7
[ 44.185960][ T510] 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)
[   44.187026][  T510] RSP: 002b:00007ffe2c865638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.187497][  T510] RAX: ffffffffffffffda RBX: 00007ffe2c865d60 RCX: 00007fbb1a9f31e7
[   44.187957][  T510] RDX: 0000000000000000 RSI: 00007ffe2c8656a0 RDI: 0000000000000005
[   44.188418][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.188870][  T510] R10: 00007fbb1a8f0ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.189356][  T510] R13: 00000000686e3de1 R14: 0000000000499600 R15: 0000000000000000
| [   44.310330][  T511] ------------[ cut here ]------------
| [ 44.310695][ T511] WARNING: CPU: 2 PID: 511 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) 
| [   44.311341][  T511] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.312609][  T511] Tainted: [W]=WARN
[   44.312840][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.313238][ T511] 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) 
[ 44.313561][ T511] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.314625][  T511] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   44.315004][  T511] RAX: 0000000000000000 RBX: ffff8880081e9000 RCX: 0000000000000001
[   44.315482][  T511] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   44.315933][  T511] RBP: ffffc90000977230 R08: ffff888002afd000 R09: 0000000000000000
[   44.316434][  T511] R10: ffffc900009775c8 R11: ffffffffb4e50668 R12: 1ffff9200012ee2c
[   44.316877][  T511] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff88800dcb66e0
[   44.317332][  T511] FS:  00007fa7c4f87800(0000) GS:ffff8880801b7000(0000) knlGS:0000000000000000
[   44.317868][  T511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.318267][  T511] CR2: 00000000004e5ac0 CR3: 0000000004d0c004 CR4: 0000000000772ef0
[   44.318713][  T511] PKRU: 55555554
[   44.318942][  T511] Call Trace:
[   44.319196][  T511]  <TASK>
[ 44.319356][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.319685][ T511] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.320001][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.320332][ T511] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.320634][ T511] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.320935][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.321260][ T511] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.321572][ T511] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.321985][ T511] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.322344][ T511] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.322679][ T511] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.322985][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.323336][ T511] ? __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) 
[ 44.323638][ T511] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.324038][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.324369][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.324678][ T511] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.324978][ T511] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.325300][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.325632][ T511] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.325933][ T511] ? __create_object (mm/kmemleak.c:771) 
[ 44.326254][ T511] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.326589][ T511] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.326891][ T511] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.327310][ T511] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.327644][ T511] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.327951][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.328265][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.328580][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.328881][ T511] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.329204][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.329544][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.329846][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.330188][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.330519][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.330828][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.331173][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.331478][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.331809][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.332154][ T511] ? 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) 
[ 44.332461][ T511] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.332784][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.333088][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.333414][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.333720][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.334021][ T511] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.334350][ T511] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.334656][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.334956][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.335353][ T511] ___sys_sendmsg (net/socket.c:2670) 
[ 44.335654][ T511] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.335953][ T511] ? __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) 
[ 44.336336][ T511] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.336648][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.336953][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.337272][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.337576][ T511] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.337878][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.338204][ T511] __sys_sendmsg (net/socket.c:2700) 
[ 44.338510][ T511] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.338886][ T511] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.339233][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.339540][ T511] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.339841][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.340230][  T511] RIP: 0033:0x7fa7c51541e7
[ 44.340541][ T511] 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)
[   44.341601][  T511] RSP: 002b:00007ffe671539a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.342051][  T511] RAX: ffffffffffffffda RBX: 00007ffe671540d0 RCX: 00007fa7c51541e7
[   44.342510][  T511] RDX: 0000000000000000 RSI: 00007ffe67153a10 RDI: 0000000000000005
[   44.342958][  T511] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.343414][  T511] R10: 00007fa7c5051ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.343857][  T511] R13: 00000000686e3de1 R14: 0000000000499600 R15: 0000000000000000
| [   44.457802][  T512] ------------[ cut here ]------------
| [ 44.458223][ T512] WARNING: CPU: 2 PID: 512 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) 
| [   44.458954][  T512] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.460943][  T512] Tainted: [W]=WARN
[   44.461210][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.461739][ T512] 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) 
[ 44.462296][ T512] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.464010][  T512] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   44.464404][  T512] RAX: 0000000000000000 RBX: ffff88800e439000 RCX: 0000000000000001
[   44.464852][  T512] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   44.465319][  T512] RBP: ffffc90000987230 R08: ffff888008bca000 R09: 0000000000000000
[   44.465923][  T512] R10: ffffc900009875c8 R11: ffffffffb4e50668 R12: 1ffff92000130e2c
[   44.466662][  T512] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800dcb6a60
[   44.467436][  T512] FS:  00007fc422b5f800(0000) GS:ffff8880801b7000(0000) knlGS:0000000000000000
[   44.468325][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.468955][  T512] CR2: 00000000004e73f0 CR3: 000000000bbb6005 CR4: 0000000000772ef0
[   44.469739][  T512] PKRU: 55555554
[   44.470144][  T512] Call Trace:
[   44.470533][  T512]  <TASK>
[ 44.470802][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.471339][ T512] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.471847][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.472381][ T512] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.472897][ T512] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.473421][ T512] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.473942][ T512] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.474479][ T512] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.475142][ T512] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.475649][ T512] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.476173][ T512] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.476696][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.477234][ T512] ? __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) 
[ 44.477743][ T512] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.478387][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.478897][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.479453][ T512] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.479966][ T512] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.480504][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.481009][ T512] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.481528][ T512] ? __create_object (mm/kmemleak.c:771) 
[ 44.482041][ T512] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.482570][ T512] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.483081][ T512] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.483725][ T512] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.484274][ T512] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.484795][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.485325][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.485851][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.486377][ T512] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.486881][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.487417][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.487932][ T512] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.488484][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.489006][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.489555][ T512] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.490066][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.490599][ T512] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.491149][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.491659][ T512] ? 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) 
[ 44.492205][ T512] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.492721][ T512] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.493245][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.493764][ T512] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.494300][ T512] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.494812][ T512] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.495239][ T512] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.495748][ T512] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.496263][ T512] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.496797][ T512] ___sys_sendmsg (net/socket.c:2670) 
[ 44.497330][ T512] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.497732][ T512] ? __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) 
[ 44.498276][ T512] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.498587][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.498901][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.499247][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.499549][ T512] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.499850][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.500172][ T512] __sys_sendmsg (net/socket.c:2700) 
[ 44.500473][ T512] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.500841][ T512] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.501283][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.501631][ T512] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.502127][ T512] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.502761][  T512] RIP: 0033:0x7fc422d2c1e7
[ 44.503328][ T512] 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)
[   44.505182][  T512] RSP: 002b:00007ffea1a1fad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.505905][  T512] RAX: ffffffffffffffda RBX: 00007ffea1a20200 RCX: 00007fc422d2c1e7
[   44.506696][  T512] RDX: 0000000000000000 RSI: 00007ffea1a1fb40 RDI: 0000000000000005
[   44.507489][  T512] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.508292][  T512] R10: 00007fc422c29ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.509064][  T512] R13: 00000000686e3de2 R14: 0000000000499600 R15: 0000000000000000
| [   44.639077][  T513] ------------[ cut here ]------------
| [ 44.639623][ T513] WARNING: CPU: 3 PID: 513 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) 
| [   44.640193][  T513] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.641381][  T513] Tainted: [W]=WARN
[   44.641602][  T513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.641950][ T513] 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) 
[ 44.642253][ T513] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.643266][  T513] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   44.643628][  T513] RAX: 0000000000000000 RBX: ffff8880061c9000 RCX: 0000000000000001
[   44.644049][  T513] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   44.644481][  T513] RBP: ffffc90000997230 R08: ffff88800594d000 R09: 0000000000000000
[   44.644904][  T513] R10: ffffc900009975c8 R11: ffffffffb4e50668 R12: 1ffff92000132e2c
[   44.645344][  T513] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800dcb4e60
[   44.645768][  T513] FS:  00007f2d8f614800(0000) GS:ffff888080237000(0000) knlGS:0000000000000000
[   44.646268][  T513] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.646623][  T513] CR2: 00000000004e5ab8 CR3: 0000000009708001 CR4: 0000000000772ef0
[   44.647057][  T513] PKRU: 55555554
[   44.647277][  T513] Call Trace:
[   44.647489][  T513]  <TASK>
[ 44.647632][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.647920][ T513] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.648208][ T513] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.648492][ T513] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.648774][ T513] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.649067][ T513] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.649379][ T513] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.649671][ T513] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.650030][ T513] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.650326][ T513] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.650606][ T513] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.650892][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.651194][ T513] ? __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) 
[ 44.651480][ T513] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.651826][ T513] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.652121][ T513] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.652402][ T513] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.652682][ T513] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.652966][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.653264][ T513] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.653544][ T513] ? __create_object (mm/kmemleak.c:771) 
[ 44.653826][ T513] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.654127][ T513] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.654412][ T513] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.654761][ T513] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.655051][ T513] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.655351][ T513] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.655638][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.655924][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.656219][ T513] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.656497][ T513] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.656780][ T513] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.657061][ T513] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.657354][ T513] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.657639][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.657932][ T513] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.658224][ T513] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.658508][ T513] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.658800][ T513] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.659081][ T513] ? 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) 
[ 44.659383][ T513] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.659673][ T513] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.659961][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.660259][ T513] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.660543][ T513] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.660823][ T513] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.661123][ T513] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.661406][ T513] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.661686][ T513] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.662057][ T513] ___sys_sendmsg (net/socket.c:2670) 
[ 44.662363][ T513] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.662645][ T513] ? __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) 
[ 44.662995][ T513] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.663293][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.663579][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.663867][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.664163][ T513] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.664445][ T513] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.664733][ T513] __sys_sendmsg (net/socket.c:2700) 
[ 44.665013][ T513] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.665373][ T513] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.665668][ T513] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.665950][ T513] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.666255][ T513] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.666601][  T513] RIP: 0033:0x7f2d8f7e11e7
[ 44.666893][ T513] 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)
[   44.667907][  T513] RSP: 002b:00007fffb96bc978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.668354][  T513] RAX: ffffffffffffffda RBX: 00007fffb96bd0a0 RCX: 00007f2d8f7e11e7
[   44.668779][  T513] RDX: 0000000000000000 RSI: 00007fffb96bc9e0 RDI: 0000000000000005
[   44.669224][  T513] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.669644][  T513] R10: 00007f2d8f6deee8 R11: 0000000000000246 R12: 0000000000000004
[   44.670071][  T513] R13: 00000000686e3de2 R14: 0000000000499600 R15: 0000000000000000
| [   44.807468][  T514] ------------[ cut here ]------------
| [ 44.807813][ T514] WARNING: CPU: 1 PID: 514 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) 
| [   44.808436][  T514] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.809674][  T514] Tainted: [W]=WARN
[   44.809899][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.810282][ T514] 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) 
[ 44.810591][ T514] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.811648][  T514] RSP: 0018:ffffc900009c7140 EFLAGS: 00010246
[   44.812018][  T514] RAX: 0000000000000000 RBX: ffff888008649000 RCX: 0000000000000001
[   44.812475][  T514] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   44.812920][  T514] RBP: ffffc900009c7230 R08: ffff88800bd5b800 R09: 0000000000000000
[   44.813518][  T514] R10: ffffc900009c75c8 R11: ffffffffb4e50668 R12: 1ffff92000138e2c
[   44.813962][  T514] R13: 00000000000007d0 R14: ffffc900009c7880 R15: ffff88800c0426e0
[   44.814549][  T514] FS:  00007fc434868800(0000) GS:ffff888080137000(0000) knlGS:0000000000000000
[   44.815068][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.815593][  T514] CR2: 00000000004e59c0 CR3: 000000000bbb6001 CR4: 0000000000772ef0
[   44.816022][  T514] PKRU: 55555554
[   44.816440][  T514] Call Trace:
[   44.816664][  T514]  <TASK>
[ 44.816823][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.817244][ T514] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.817543][ T514] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.817841][ T514] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.818146][ T514] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.818447][ T514] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.818747][ T514] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.819056][ T514] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.819450][ T514] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.819749][ T514] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.820043][ T514] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.820349][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.820657][ T514] ? __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) 
[ 44.820956][ T514] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.821345][ T514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.821651][ T514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.821946][ T514] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.822250][ T514] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.822548][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.822844][ T514] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.823142][ T514] ? __create_object (mm/kmemleak.c:771) 
[ 44.823438][ T514] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.823745][ T514] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.824042][ T514] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.824417][ T514] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.824714][ T514] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.825016][ T514] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.825322][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.825622][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.825921][ T514] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.826222][ T514] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.826515][ T514] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.826805][ T514] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.827112][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.827400][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.827680][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.827959][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.828278][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.828569][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.828843][ T514] ? 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) 
[ 44.829144][ T514] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.829431][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.829707][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.829990][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.830292][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.830569][ T514] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.830856][ T514] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.831146][ T514] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.831439][ T514] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.831799][ T514] ___sys_sendmsg (net/socket.c:2670) 
[ 44.832072][ T514] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.832378][ T514] ? __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) 
[ 44.832730][ T514] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.833014][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.833326][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.833612][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.833890][ T514] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.834179][ T514] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.834470][ T514] __sys_sendmsg (net/socket.c:2700) 
[ 44.834746][ T514] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.835087][ T514] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.835391][ T514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.835671][ T514] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.835952][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.836308][  T514] RIP: 0033:0x7fc434a351e7
[ 44.836606][ T514] 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)
[   44.837615][  T514] RSP: 002b:00007ffd6941dab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.838044][  T514] RAX: ffffffffffffffda RBX: 00007ffd6941e1e0 RCX: 00007fc434a351e7
[   44.838486][  T514] RDX: 0000000000000000 RSI: 00007ffd6941db20 RDI: 0000000000000005
[   44.838905][  T514] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.839344][  T514] R10: 00007fc434932ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast