======================================
| xx__-> [   18.502045][  T250] tun: Universal TUN/TAP device driver, 1.6
| [   23.355664][  T282] ------------[ cut here ]------------
| [ 23.356154][ T282] WARNING: CPU: 2 PID: 282 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.356829][  T282] Modules linked in: xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[   23.358088][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.358506][ T282] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.358821][ T282] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.359895][  T282] RSP: 0018:ffffc900006b7930 EFLAGS: 00010246
[   23.360303][  T282] RAX: 0000000000000000 RBX: ffff88800f4f4000 RCX: 0000000000000001
[   23.360757][  T282] RDX: 0000000000000000 RSI: ffffffffb109f52e RDI: ffffffffb085a5a0
[   23.361405][  T282] RBP: ffffc900006b7a18 R08: ffff88800f4f4008 R09: 0000000000000000
[   23.362123][  T282] R10: ffffc900006b7a48 R11: ffffffffb1e59728 R12: 1ffff920000d6f2a
[   23.362910][  T282] R13: 00000000000005f0 R14: ffffc900006b7a48 R15: ffffc900006b7d40
[   23.363706][  T282] FS:  00007f38be111740(0000) GS:ffff8880831a7000(0000) knlGS:0000000000000000
[   23.364651][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.365220][  T282] CR2: 0000557ac9aac5e6 CR3: 000000000a75e005 CR4: 0000000000772ef0
[   23.366036][  T282] PKRU: 55555554
[   23.366477][  T282] Call Trace:
[   23.366883][  T282]  <TASK>
[ 23.367182][ T282] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.367732][ T282] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.368312][ T282] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.369140][ T282] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.369719][ T282] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.370284][ T282] netif_set_mtu (net/core/dev.c:9652) 
[ 23.370835][ T282] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.371412][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.371967][ T282] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.372399][ T282] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 23.372952][ T282] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 23.373521][ T282] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.374081][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.374639][ T282] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 23.375036][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.375507][ T282] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 23.375919][ T282] sock_do_ioctl (net/socket.c:1252) 
[ 23.376489][ T282] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 23.377022][ T282] ? __pmd_alloc (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mm.h:976 ./include/linux/mm.h:2879 ./include/linux/mm.h:2977 ./include/asm-generic/pgalloc.h:160 mm/memory.c:6477) 
[ 23.377614][ T282] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 23.378160][ T282] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 23.378742][ T282] sock_ioctl (net/socket.c:1362) 
[ 23.379168][ T282] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 23.379716][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.380253][ T282] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 23.380801][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.381151][ T282] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 23.381499][ T282] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 23.381821][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.382131][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.382560][  T282] RIP: 0033:0x7f38be217e4b
[ 23.382882][ T282] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 4f 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 85 c0 79 9b 49    	incl   0x499b79c0(%rbp)
   8:	c7 c4 ff ff ff ff    	mov    $0xffffffff,%esp
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	4c 89 e0             	mov    %r12,%rax
  13:	41 5c                	pop    %r12
  15:	c3                   	ret
  16:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  1d:	00 00 
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4fb7
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4f8d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.384443][  T282] RSP: 002b:00007ffedd404738 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   23.385072][  T282] RAX: ffffffffffffffda RBX: 00007ffedd404a98 RCX: 00007f38be217e4b
[   23.385564][  T282] RDX: 00007ffedd404790 RSI: 0000000000008922 RDI: 0000000000000008
[   23.386013][  T282] RBP: 00007ffedd404aa8 R08: 1999999999999999 R09: 0000000000000000
[   23.386518][  T282] R10: 00007f38be2b2ac0 R11: 0000000000000246 R12: 00007ffedd406981
[   23.386973][  T282] R13: 0000557ac9a9b8f0 R14: 00007ffedd404790 R15: 0000557ac9aa68a2
| [   33.001006][  T343] ------------[ cut here ]------------
| [ 33.001342][ T343] WARNING: CPU: 0 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.001886][  T343] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   33.003154][  T343] Tainted: [W]=WARN
[   33.003373][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.003712][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.003991][ T343] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   33.004981][  T343] RSP: 0018:ffffc90000657930 EFLAGS: 00010246
[   33.005331][  T343] RAX: 0000000000000000 RBX: ffff88800f4c8000 RCX: 0000000000000001
[   33.005737][  T343] RDX: 0000000000000000 RSI: ffffffffb109f52e RDI: ffffffffb085a5a0
[   33.006146][  T343] RBP: ffffc90000657a18 R08: ffff88800f4c8008 R09: 0000000000000000
[   33.006561][  T343] R10: ffffc90000657a48 R11: ffffffffb1e59728 R12: 1ffff920000caf2a
[   33.006974][  T343] R13: 00000000000005f0 R14: ffffc90000657a48 R15: ffffc90000657d40
[   33.007424][  T343] FS:  00007faf4ffa2740(0000) GS:ffff8880830a7000(0000) knlGS:0000000000000000
[   33.007899][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.008242][  T343] CR2: 00005634f51c55e6 CR3: 0000000005abb001 CR4: 0000000000772ef0
[   33.008660][  T343] PKRU: 55555554
[   33.008866][  T343] Call Trace:
[   33.009069][  T343]  <TASK>
[ 33.009213][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.009492][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.009766][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.010043][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.010320][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.010600][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 33.010872][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.011241][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.011540][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.011748][ T343] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 33.012019][ T343] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 33.012296][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.012573][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.012850][ T343] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 33.013051][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.013337][ T343] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 33.013546][ T343] sock_do_ioctl (net/socket.c:1252) 
[ 33.013823][ T343] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 33.014092][ T343] ? __pmd_alloc (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mm.h:976 ./include/linux/mm.h:2879 ./include/linux/mm.h:2977 ./include/asm-generic/pgalloc.h:160 mm/memory.c:6477) 
[ 33.014371][ T343] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 33.014647][ T343] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 33.014929][ T343] sock_ioctl (net/socket.c:1362) 
[ 33.015135][ T343] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 33.015412][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.015687][ T343] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 33.015955][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.016225][ T343] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 33.016511][ T343] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 33.016785][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.017062][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.017446][  T343] RIP: 0033:0x7faf500a8e4b
[ 33.017729][ T343] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 4f 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 85 c0 79 9b 49    	incl   0x499b79c0(%rbp)
   8:	c7 c4 ff ff ff ff    	mov    $0xffffffff,%esp
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	4c 89 e0             	mov    %r12,%rax
  13:	41 5c                	pop    %r12
  15:	c3                   	ret
  16:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  1d:	00 00 
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4fb7
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4f8d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   33.018705][  T343] RSP: 002b:00007ffe3c20b5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   33.019141][  T343] RAX: ffffffffffffffda RBX: 00007ffe3c20b938 RCX: 00007faf500a8e4b
[   33.019563][  T343] RDX: 00007ffe3c20b630 RSI: 0000000000008922 RDI: 0000000000000008
[   33.019968][  T343] RBP: 00007ffe3c20b948 R08: 1999999999999999 R09: 0000000000000000
[   33.020382][  T343] R10: 00007faf50143ac0 R11: 0000000000000246 R12: 00007ffe3c20c981
[   33.020797][  T343] R13: 00005634f51b48f0 R14: 00007ffe3c20b630 R15: 00005634f51bf8a2
| [   42.930598][  T418] ------------[ cut here ]------------
| [ 42.931005][ T418] WARNING: CPU: 0 PID: 418 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) 
| [   42.931560][  T418] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   42.932884][  T418] Tainted: [W]=WARN
[   42.933093][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.933450][ T418] 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) 
[ 42.933747][ T418] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   42.934774][  T418] RSP: 0018:ffffc900007c7930 EFLAGS: 00010246
[   42.935137][  T418] RAX: 0000000000000000 RBX: ffff88800507c000 RCX: 0000000000000001
[   42.935556][  T418] RDX: 0000000000000000 RSI: ffffffffb109f52e RDI: ffffffffb085a5a0
[   42.935978][  T418] RBP: ffffc900007c7a18 R08: ffff88800507c008 R09: 0000000000000000
[   42.936399][  T418] R10: ffffc900007c7a48 R11: ffffffffb1e59728 R12: 1ffff920000f8f2a
[   42.936808][  T418] R13: 00000000000005f0 R14: ffffc900007c7a48 R15: ffffc900007c7d40
[   42.937238][  T418] FS:  00007fc5df76b740(0000) GS:ffff8880830a7000(0000) knlGS:0000000000000000
[   42.937723][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.938107][  T418] CR2: 00005640320115e6 CR3: 00000000050e9006 CR4: 0000000000772ef0
[   42.938549][  T418] PKRU: 55555554
[   42.938754][  T418] Call Trace:
[   42.938971][  T418]  <TASK>
[ 42.939114][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.939399][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.939670][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.939953][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.940234][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.940514][ T418] netif_set_mtu (net/core/dev.c:9652) 
[ 42.940787][ T418] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.941082][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.941366][ T418] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.941573][ T418] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 42.941852][ T418] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 42.942139][ T418] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.942425][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.942699][ T418] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 42.942905][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.943197][ T418] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 42.943414][ T418] sock_do_ioctl (net/socket.c:1252) 
[ 42.943689][ T418] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 42.943964][ T418] ? __pmd_alloc (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mm.h:976 ./include/linux/mm.h:2879 ./include/linux/mm.h:2977 ./include/asm-generic/pgalloc.h:160 mm/memory.c:6477) 
[ 42.944278][ T418] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 42.944550][ T418] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 42.944835][ T418] sock_ioctl (net/socket.c:1362) 
[ 42.945041][ T418] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 42.945332][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.945603][ T418] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 42.945872][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.946172][ T418] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 42.946459][ T418] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 42.946734][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.947009][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.947383][  T418] RIP: 0033:0x7fc5df871e4b
[ 42.947668][ T418] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 4f 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 85 c0 79 9b 49    	incl   0x499b79c0(%rbp)
   8:	c7 c4 ff ff ff ff    	mov    $0xffffffff,%esp
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	4c 89 e0             	mov    %r12,%rax
  13:	41 5c                	pop    %r12
  15:	c3                   	ret
  16:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  1d:	00 00 
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4fb7
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4f8d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   42.948670][  T418] RSP: 002b:00007ffe3e68e8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   42.949081][  T418] RAX: ffffffffffffffda RBX: 00007ffe3e68ec28 RCX: 00007fc5df871e4b
[   42.949514][  T418] RDX: 00007ffe3e68e920 RSI: 0000000000008922 RDI: 0000000000000008
[   42.949930][  T418] RBP: 00007ffe3e68ec38 R08: 1999999999999999 R09: 0000000000000000
[   42.950393][  T418] R10: 00007fc5df90cac0 R11: 0000000000000246 R12: 00007ffe3e68f981
[   42.950804][  T418] R13: 00005640320008f0 R14: 00007ffe3e68e920 R15: 000056403200b8a2
| [   53.346618][  T501] ------------[ cut here ]------------
| [ 53.346959][ T501] WARNING: CPU: 2 PID: 501 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) 
| [   53.348324][  T501] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   53.349652][  T501] Tainted: [W]=WARN
[   53.349877][  T501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.350272][ T501] 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) 
[ 53.350588][ T501] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   53.351584][  T501] RSP: 0018:ffffc90000ac7930 EFLAGS: 00010246
[   53.351956][  T501] RAX: 0000000000000000 RBX: ffff888005fc8000 RCX: 0000000000000001
[   53.352401][  T501] RDX: 0000000000000000 RSI: ffffffffb109f52e RDI: ffffffffb085a5a0
[   53.352831][  T501] RBP: ffffc90000ac7a18 R08: ffff888005fc8008 R09: 0000000000000000
[   53.353274][  T501] R10: ffffc90000ac7a48 R11: ffffffffb1e59728 R12: 1ffff92000158f2a
[   53.353710][  T501] R13: 00000000000005f0 R14: ffffc90000ac7a48 R15: ffffc90000ac7d40
[   53.354138][  T501] FS:  00007f5fca427740(0000) GS:ffff8880831a7000(0000) knlGS:0000000000000000
[   53.354658][  T501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.355019][  T501] CR2: 000055843f0875e6 CR3: 0000000011c69002 CR4: 0000000000772ef0
[   53.355468][  T501] PKRU: 55555554
[   53.355687][  T501] Call Trace:
[   53.355904][  T501]  <TASK>
[ 53.356068][ T501] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.356368][ T501] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.356668][ T501] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.356982][ T501] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.357305][ T501] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.357597][ T501] netif_set_mtu (net/core/dev.c:9652) 
[ 53.357899][ T501] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.358223][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.358526][ T501] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.358746][ T501] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 53.359032][ T501] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 53.359324][ T501] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.359621][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.359915][ T501] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 53.360129][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.360429][ T501] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 53.360658][ T501] sock_do_ioctl (net/socket.c:1252) 
[ 53.360953][ T501] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 53.361332][ T501] ? __pmd_alloc (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mm.h:976 ./include/linux/mm.h:2879 ./include/linux/mm.h:2977 ./include/asm-generic/pgalloc.h:160 mm/memory.c:6477) 
[ 53.361662][ T501] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 53.361992][ T501] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 53.362343][ T501] sock_ioctl (net/socket.c:1362) 
[ 53.362608][ T501] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 53.362944][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.363284][ T501] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 53.363614][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.363946][ T501] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 53.364291][ T501] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 53.364630][ T501] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.364966][ T501] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.365381][  T501] RIP: 0033:0x7f5fca52de4b
[ 53.365726][ T501] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 4f 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 85 c0 79 9b 49    	incl   0x499b79c0(%rbp)
   8:	c7 c4 ff ff ff ff    	mov    $0xffffffff,%esp
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	4c 89 e0             	mov    %r12,%rax
  13:	41 5c                	pop    %r12
  15:	c3                   	ret
  16:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  1d:	00 00 
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4fb7
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4f8d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   53.366861][  T501] RSP: 002b:00007ffefbf63148 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   53.367368][  T501] RAX: ffffffffffffffda RBX: 00007ffefbf634a8 RCX: 00007f5fca52de4b
[   53.367853][  T501] RDX: 00007ffefbf631a0 RSI: 0000000000008922 RDI: 0000000000000008
[   53.368344][  T501] RBP: 00007ffefbf634b8 R08: 1999999999999999 R09: 0000000000000000
[   53.368828][  T501] R10: 00007f5fca5c8ac0 R11: 0000000000000246 R12: 00007ffefbf63981
[   53.369317][  T501] R13: 000055843f0768f0 R14: 00007ffefbf631a0 R15: 000055843f0818a2
| [   64.395673][  T575] ------------[ cut here ]------------
| [ 64.396008][ T575] WARNING: CPU: 0 PID: 575 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) 
| [   64.396586][  T575] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   64.397957][  T575] Tainted: [W]=WARN
[   64.398173][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.398537][ T575] 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) 
[ 64.398835][ T575] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   64.399872][  T575] RSP: 0018:ffffc90000f87930 EFLAGS: 00010246
[   64.400234][  T575] RAX: 0000000000000000 RBX: ffff888005fc8000 RCX: 0000000000000001
[   64.400670][  T575] RDX: 0000000000000000 RSI: ffffffffb109f52e RDI: ffffffffb085a5a0
[   64.401097][  T575] RBP: ffffc90000f87a18 R08: ffff888005fc8008 R09: 0000000000000000
[   64.402024][  T575] R10: ffffc90000f87a48 R11: ffffffffb1e59728 R12: 1ffff920001f0f2a
[   64.402464][  T575] R13: 00000000000005f0 R14: ffffc90000f87a48 R15: ffffc90000f87d40
[   64.402890][  T575] FS:  00007f560dc2d740(0000) GS:ffff8880830a7000(0000) knlGS:0000000000000000
[   64.403396][  T575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.403763][  T575] CR2: 000056382280d5e6 CR3: 000000000a6e0002 CR4: 0000000000772ef0
[   64.404192][  T575] PKRU: 55555554
[   64.404414][  T575] Call Trace:
[   64.404625][  T575]  <TASK>
[ 64.404774][ T575] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.405062][ T575] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.405355][ T575] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.405648][ T575] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.405927][ T575] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.406213][ T575] netif_set_mtu (net/core/dev.c:9652) 
[ 64.406506][ T575] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 64.406801][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.407090][ T575] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 64.407326][ T575] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 64.407612][ T575] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 64.407901][ T575] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.408191][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.408488][ T575] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 64.408702][ T575] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.408995][ T575] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 64.409214][ T575] sock_do_ioctl (net/socket.c:1252) 
[ 64.409514][ T575] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 64.409796][ T575] ? __pmd_alloc (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mm.h:976 ./include/linux/mm.h:2879 ./include/linux/mm.h:2977 ./include/asm-generic/pgalloc.h:160 mm/memory.c:6477) 
[ 64.410083][ T575] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 64.410376][ T575] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 64.410675][ T575] sock_ioctl (net/socket.c:1362) 
[ 64.410890][ T575] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 64.411173][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.411469][ T575] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 64.411754][ T575] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.412045][ T575] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 64.412347][ T575] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 64.412637][ T575] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.412924][ T575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.413287][  T575] RIP: 0033:0x7f560dd33e4b
[ 64.413584][ T575] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 4f 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 85 c0 79 9b 49    	incl   0x499b79c0(%rbp)
   8:	c7 c4 ff ff ff ff    	mov    $0xffffffff,%esp
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	4c 89 e0             	mov    %r12,%rax
  13:	41 5c                	pop    %r12
  15:	c3                   	ret
  16:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  1d:	00 00 
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4fb7
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4f8d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   64.414621][  T575] RSP: 002b:00007ffcd9c8bfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   64.415052][  T575] RAX: ffffffffffffffda RBX: 00007ffcd9c8c308 RCX: 00007f560dd33e4b
[   64.415487][  T575] RDX: 00007ffcd9c8c000 RSI: 0000000000008922 RDI: 0000000000000008
[   64.415922][  T575] RBP: 00007ffcd9c8c318 R08: 1999999999999999 R09: 0000000000000000
[   64.416364][  T575] R10: 00007f560ddceac0 R11: 0000000000000246 R12: 00007ffcd9c8d981
[   64.416789][  T575] R13: 00005638227fc8f0 R14: 00007ffcd9c8c000 R15: 00005638228078a2
| [   74.656602][  T652] ------------[ cut here ]------------
| [ 74.656969][ T652] WARNING: CPU: 2 PID: 652 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) 
| [   74.657580][  T652] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   74.658941][  T652] Tainted: [W]=WARN
[   74.659170][  T652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.659555][ T652] 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) 
[ 74.659874][ T652] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   74.660930][  T652] RSP: 0018:ffffc900011a7930 EFLAGS: 00010246
[   74.661368][  T652] RAX: 0000000000000000 RBX: ffff88800ba50000 RCX: 0000000000000001
[   74.661814][  T652] RDX: 0000000000000000 RSI: ffffffffb109f52e RDI: ffffffffb085a5a0
[   74.662269][  T652] RBP: ffffc900011a7a18 R08: ffff88800ba50008 R09: 0000000000000000
[   74.662711][  T652] R10: ffffc900011a7a48 R11: ffffffffb1e59728 R12: 1ffff92000234f2a
[   74.663150][  T652] R13: 00000000000005f0 R14: ffffc900011a7a48 R15: ffffc900011a7d40
[   74.663601][  T652] FS:  00007f24f0c84740(0000) GS:ffff8880831a7000(0000) knlGS:0000000000000000
[   74.664120][  T652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.664513][  T652] CR2: 000055607eb575e6 CR3: 000000000c48e004 CR4: 0000000000772ef0
[   74.664958][  T652] PKRU: 55555554
[   74.665186][  T652] Call Trace:
[   74.665426][  T652]  <TASK>
[ 74.665588][ T652] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.665894][ T652] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.666194][ T652] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.666517][ T652] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.666811][ T652] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.667114][ T652] netif_set_mtu (net/core/dev.c:9652) 
[ 74.667433][ T652] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.667745][ T652] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.668055][ T652] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.668315][ T652] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 74.668618][ T652] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 74.668918][ T652] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.669234][ T652] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.669548][ T652] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 74.669775][ T652] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.670081][ T652] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 74.670323][ T652] sock_do_ioctl (net/socket.c:1252) 
[ 74.670635][ T652] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 74.670932][ T652] ? __pmd_alloc (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mm.h:976 ./include/linux/mm.h:2879 ./include/linux/mm.h:2977 ./include/asm-generic/pgalloc.h:160 mm/memory.c:6477) 
[ 74.671230][ T652] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 74.671548][ T652] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 74.671859][ T652] sock_ioctl (net/socket.c:1362) 
[ 74.672092][ T652] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 74.672409][ T652] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.672710][ T652] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 74.673014][ T652] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.673325][ T652] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 74.673635][ T652] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 74.673938][ T652] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.674236][ T652] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.674618][  T652] RIP: 0033:0x7f24f0d8ae4b
[ 74.674929][ T652] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 4f 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 85 c0 79 9b 49    	incl   0x499b79c0(%rbp)
   8:	c7 c4 ff ff ff ff    	mov    $0xffffffff,%esp
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	4c 89 e0             	mov    %r12,%rax
  13:	41 5c                	pop    %r12
  15:	c3                   	ret
  16:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  1d:	00 00 
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4fb7
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 7d 4f 0f 00 	mov    0xf4f7d(%rip),%rcx        # 0xf4f8d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   74.676005][  T652] RSP: 002b:00007ffca211eff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   74.676476][  T652] RAX: ffffffffffffffda RBX: 00007ffca211f358 RCX: 00007f24f0d8ae4b
[   74.676921][  T652] RDX: 00007ffca211f050 RSI: 0000000000008922 RDI: 0000000000000008
[   74.677397][  T652] RBP: 00007ffca211f368 R08: 1999999999999999 R09: 0000000000000000
[   74.677843][  T652] R10: 00007f24f0e25ac0 R11: 0000000000000246 R12: 00007ffca211f981


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:dev_ifsioc:dev_ioctl