======================================
| 0
| xx__-> [   18.537276][  T303] ------------[ cut here ]------------
| [ 18.537838][ T303] WARNING: CPU: 3 PID: 303 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) 
| [   18.538613][  T303] Modules linked in: vrf veth
[   18.539755][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.540109][ T303] 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) 
[ 18.540400][ T303] 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
[   18.541398][  T303] RSP: 0018:ffffc90000677140 EFLAGS: 00010246
[   18.541768][  T303] RAX: 0000000000000000 RBX: ffff888007e79000 RCX: 0000000000000001
[   18.542192][  T303] RDX: 0000000000000000 RSI: ffffffffa209b941 RDI: ffffffffa18555e0
[   18.542633][  T303] RBP: ffffc90000677230 R08: ffff888009146800 R09: 0000000000000000
[   18.543048][  T303] R10: ffffc900006775c8 R11: ffffffffa2e50668 R12: 1ffff920000cee2c
[   18.543485][  T303] R13: 0000000000000500 R14: ffffc90000677880 R15: ffff88800538ea60
[   18.543902][  T303] FS:  00007f0faace5800(0000) GS:ffff888092237000(0000) knlGS:0000000000000000
[   18.544383][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.544743][  T303] CR2: 00000000004e5ab0 CR3: 00000000125b8006 CR4: 0000000000772ef0
[   18.545158][  T303] PKRU: 55555554
[   18.545366][  T303] Call Trace:
[   18.545587][  T303]  <TASK>
[ 18.545730][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.546031][ T303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.546308][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.546602][ T303] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.546885][ T303] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.547169][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.547471][ T303] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.547755][ T303] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.548106][ T303] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.548388][ T303] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.548670][ T303] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.548950][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.549232][ T303] ? __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) 
[ 18.549527][ T303] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.549874][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.550154][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.550428][ T303] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.550715][ T303] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.551000][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.551274][ T303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.551570][ T303] ? __create_object (mm/kmemleak.c:771) 
[ 18.551852][ T303] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.552126][ T303] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.552412][ T303] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.552767][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.553054][ T303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.553340][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.553629][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.553912][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.554187][ T303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.554472][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.554755][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.555031][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.555309][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.555605][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.555886][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.556167][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.556446][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.556745][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.557018][ T303] ? 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) 
[ 18.557295][ T303] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.557587][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.557868][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.558147][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.558425][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.558710][ T303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.559002][ T303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.559295][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.559582][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.559938][ T303] ___sys_sendmsg (net/socket.c:2670) 
[ 18.560216][ T303] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.560500][ T303] ? __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) 
[ 18.560844][ T303] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.561134][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.561411][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.561699][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.561974][ T303] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.562251][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.562543][ T303] __sys_sendmsg (net/socket.c:2700) 
[ 18.562816][ T303] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.563168][ T303] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.563471][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.563747][ T303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.564024][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.564369][  T303] RIP: 0033:0x7f0faaeb21e7
[ 18.564671][ T303] 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)
[   18.565670][  T303] RSP: 002b:00007ffdc7400858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.566090][  T303] RAX: ffffffffffffffda RBX: 00007ffdc7400f80 RCX: 00007f0faaeb21e7
[   18.566542][  T303] RDX: 0000000000000000 RSI: 00007ffdc74008c0 RDI: 0000000000000005
[   18.566968][  T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.567379][  T303] R10: 00007f0faadafee8 R11: 0000000000000246 R12: 0000000000000004
[   18.567805][  T303] R13: 00000000686e4af2 R14: 0000000000499600 R15: 0000000000000000
| [   19.789325][  T316] ------------[ cut here ]------------
| [ 19.789976][ T316] WARNING: CPU: 0 PID: 316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.790940][  T316] Modules linked in: vrf veth
| [   19.792458][  T316] Tainted: [W]=WARN
[   19.792848][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.793478][ T316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.793994][ T316] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.796000][  T316] RSP: 0018:ffffc90000b47140 EFLAGS: 00010246
[   19.796924][  T316] RAX: 0000000000000000 RBX: ffff888010409000 RCX: 0000000000000001
[   19.797731][  T316] RDX: 0000000000000000 RSI: ffffffffa209b941 RDI: ffffffffa18555e0
[   19.798479][  T316] RBP: ffffc90000b47230 R08: ffff8880129b3800 R09: 0000000000000000
[   19.799214][  T316] R10: ffffc90000b475c8 R11: ffffffffa2e50668 R12: 1ffff92000168e2c
[   19.799926][  T316] R13: 0000000000000500 R14: ffffc90000b47880 R15: ffff8880104d1560
[   19.800686][  T316] FS:  00007f646577f800(0000) GS:ffff8880920b7000(0000) knlGS:0000000000000000
[   19.801573][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.802189][  T316] CR2: 00000000004e5ab8 CR3: 000000001287a004 CR4: 0000000000772ef0
[   19.802961][  T316] PKRU: 55555554
[   19.803346][  T316] Call Trace:
[   19.803727][  T316]  <TASK>
[ 19.803974][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.804487][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.804985][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.805501][ T316] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.805992][ T316] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.806482][ T316] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.806954][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.807446][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.808072][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.808582][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.809080][ T316] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.809604][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.810105][ T316] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 19.810582][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.811172][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.811661][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.812132][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.812631][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.813145][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.813653][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.814138][ T316] ? __create_object (mm/kmemleak.c:771) 
[ 19.814649][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.815145][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.815631][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.816225][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.816744][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.817255][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.817753][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.818241][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.818742][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.819213][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.819729][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.820211][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.820695][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.821197][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.821717][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.822207][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.822706][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.823226][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.823730][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.824225][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.824713][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.825185][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.825697][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.826190][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.826706][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.827214][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.827726][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.828223][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.828875][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 19.829357][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.829851][ T316] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 19.830454][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.830977][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.831499][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.831980][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.832473][ T316] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.832965][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.833501][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 19.833993][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.834601][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.835103][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.835620][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.836102][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.836733][  T316] RIP: 0033:0x7f646594c1e7
[ 19.837247][ T316] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   19.839030][  T316] RSP: 002b:00007ffda78b5f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.839772][  T316] RAX: ffffffffffffffda RBX: 00007ffda78b6670 RCX: 00007f646594c1e7
[   19.840512][  T316] RDX: 0000000000000000 RSI: 00007ffda78b5fb0 RDI: 0000000000000005
[   19.841254][  T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.842019][  T316] R10: 00007f6465849ee8 R11: 0000000000000246 R12: 0000000000000004
[   19.842747][  T316] R13: 00000000686e4af3 R14: 0000000000499600 R15: 0000000000000000
| [   45.864866][  T440] ------------[ cut here ]------------
| [ 45.865212][ T440] WARNING: CPU: 2 PID: 440 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) 
| [   45.865807][  T440] Modules linked in: xfrm_user vrf veth
| [   45.866691][  T440] Tainted: [W]=WARN
[   45.866918][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.867278][ T440] 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) 
[ 45.867588][ T440] 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
[   45.868605][  T440] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[   45.868974][  T440] RAX: 0000000000000000 RBX: ffff888010409000 RCX: 0000000000000001
[   45.869404][  T440] RDX: 0000000000000000 RSI: ffffffffa209b941 RDI: ffffffffa18555e0
[   45.869842][  T440] RBP: ffffc900005a7230 R08: ffff888005d96800 R09: 0000000000000000
[   45.870268][  T440] R10: ffffc900005a75c8 R11: ffffffffa2e50668 R12: 1ffff920000b4e2c
[   45.870705][  T440] R13: 00000000000005dc R14: ffffc900005a7880 R15: ffff8880104d03e0
[   45.871135][  T440] FS:  00007f854da47800(0000) GS:ffff8880921b7000(0000) knlGS:0000000000000000
[   45.871638][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.872003][  T440] CR2: 00000000004e5ab8 CR3: 0000000012de7005 CR4: 0000000000772ef0
[   45.872431][  T440] PKRU: 55555554
[   45.872660][  T440] Call Trace:
[   45.872880][  T440]  <TASK>
[ 45.873033][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.873348][ T440] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.873651][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.873945][ T440] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 45.874235][ T440] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 45.874543][ T440] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 45.874837][ T440] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 45.875136][ T440] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.875511][ T440] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.875802][ T440] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.876089][ T440] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.876384][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.876688][ T440] ? __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) 
[ 45.876976][ T440] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.877330][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.877633][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.877922][ T440] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.878210][ T440] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.878510][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.878798][ T440] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.879085][ T440] ? __create_object (mm/kmemleak.c:771) 
[ 45.879383][ T440] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.879686][ T440] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.879979][ T440] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.880336][ T440] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.880643][ T440] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.880935][ T440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.881219][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.881525][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.881814][ T440] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.882102][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.882394][ T440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.882692][ T440] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.882980][ T440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.883289][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.883593][ T440] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.883897][ T440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.884183][ T440] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.884493][ T440] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.884779][ T440] ? 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) 
[ 45.885070][ T440] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.885358][ T440] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.885662][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.885953][ T440] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.886243][ T440] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.886539][ T440] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.886837][ T440] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.887126][ T440] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.887413][ T440] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.887806][ T440] ___sys_sendmsg (net/socket.c:2670) 
[ 45.888100][ T440] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.888389][ T440] ? __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) 
[ 45.888754][ T440] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.889043][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.889335][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.889636][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.889926][ T440] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.890222][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.890527][ T440] __sys_sendmsg (net/socket.c:2700) 
[ 45.890812][ T440] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.891164][ T440] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.891470][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.891761][ T440] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.892048][ T440] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.892405][  T440] RIP: 0033:0x7f854dc141e7
[ 45.892712][ T440] 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)
[   45.893722][  T440] RSP: 002b:00007fff1f2fc178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.894157][  T440] RAX: ffffffffffffffda RBX: 00007fff1f2fc8a0 RCX: 00007f854dc141e7
[   45.894595][  T440] RDX: 0000000000000000 RSI: 00007fff1f2fc1e0 RDI: 0000000000000005
[   45.895017][  T440] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   45.895441][  T440] R10: 00007f854db11ee8 R11: 0000000000000246 R12: 0000000000000004
[   45.895873][  T440] R13: 00000000686e4b0d R14: 0000000000499600 R15: 0000000000000000
| [   46.838361][  T448] ------------[ cut here ]------------
| [ 46.838689][ T448] WARNING: CPU: 1 PID: 448 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) 
| [   46.839261][  T448] Modules linked in: xfrm_user vrf veth
| [   46.840147][  T448] Tainted: [W]=WARN
[   46.840355][  T448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.840719][ T448] 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) 
[ 46.841008][ T448] 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
[   46.842015][  T448] RSP: 0018:ffffc90000587140 EFLAGS: 00010246
[   46.842363][  T448] RAX: 0000000000000000 RBX: ffff888007e79000 RCX: 0000000000000001
[   46.842788][  T448] RDX: 0000000000000000 RSI: ffffffffa209b941 RDI: ffffffffa18555e0
[   46.843215][  T448] RBP: ffffc90000587230 R08: ffff8880090ab800 R09: 0000000000000000
[   46.843646][  T448] R10: ffffc900005875c8 R11: ffffffffa2e50668 R12: 1ffff920000b0e2c
[   46.844061][  T448] R13: 00000000000005dc R14: ffffc90000587880 R15: ffff88800504c060
[   46.844484][  T448] FS:  00007fe05f1b5800(0000) GS:ffff888092137000(0000) knlGS:0000000000000000
[   46.844966][  T448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.845315][  T448] CR2: 00000000004e5ab0 CR3: 0000000004e9c005 CR4: 0000000000772ef0
[   46.846949][  T448] PKRU: 55555554
[   46.847163][  T448] Call Trace:
[   46.847369][  T448]  <TASK>
[ 46.847519][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.847799][ T448] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.848072][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.848350][ T448] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.848641][ T448] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 46.848917][ T448] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 46.849193][ T448] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 46.849483][ T448] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.849827][ T448] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.850109][ T448] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.850381][ T448] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.850670][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.850948][ T448] ? __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) 
[ 46.851222][ T448] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.851571][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.851849][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.852121][ T448] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.852400][ T448] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.852688][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.852964][ T448] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.853277][ T448] ? __create_object (mm/kmemleak.c:771) 
[ 46.853575][ T448] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.853851][ T448] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.854126][ T448] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.854475][ T448] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.854762][ T448] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.855041][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.855315][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.855603][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.855878][ T448] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.856154][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.856428][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.856711][ T448] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.856997][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.857276][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.857562][ T448] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.857837][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.858112][ T448] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.858397][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.858678][ T448] ? 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) 
[ 46.858962][ T448] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 46.859240][ T448] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.859523][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.859802][ T448] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.860077][ T448] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.860351][ T448] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.860654][ T448] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.860935][ T448] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.861211][ T448] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.861569][ T448] ___sys_sendmsg (net/socket.c:2670) 
[ 46.861842][ T448] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.862115][ T448] ? __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) 
[ 46.862455][ T448] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.862742][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.863025][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.863322][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.863609][ T448] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.863886][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.864167][ T448] __sys_sendmsg (net/socket.c:2700) 
[ 46.864439][ T448] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.864789][ T448] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.865076][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.865356][ T448] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.865640][ T448] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.865979][  T448] RIP: 0033:0x7fe05f3821e7
[ 46.866263][ T448] 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)
[   46.867266][  T448] RSP: 002b:00007ffce661c218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.867692][  T448] RAX: ffffffffffffffda RBX: 00007ffce661c940 RCX: 00007fe05f3821e7
[   46.868103][  T448] RDX: 0000000000000000 RSI: 00007ffce661c280 RDI: 0000000000000005
[   46.868523][  T448] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   46.868944][  T448] R10: 00007fe05f27fee8 R11: 0000000000000246 R12: 0000000000000004


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