======================================
| xx__-> [   18.136829][  T253] tun: Universal TUN/TAP device driver, 1.6
| [   23.038515][  T284] ------------[ cut here ]------------
| [ 23.039103][ T284] WARNING: CPU: 1 PID: 284 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) 
| [   23.041385][  T284] Modules linked in: xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[   23.042628][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.042984][ T284] 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) 
[ 23.043283][ T284] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   23.044295][  T284] RSP: 0018:ffffc90000b87930 EFLAGS: 00010246
[   23.044661][  T284] RAX: 0000000000000000 RBX: ffff888008ca8000 RCX: 0000000000000001
[   23.045149][  T284] RDX: 0000000000000000 RSI: ffffffffb309f52e RDI: ffffffffb285a5a0
[   23.045571][  T284] RBP: ffffc90000b87a18 R08: ffff888008ca8008 R09: 0000000000000000
[   23.045988][  T284] R10: ffffc90000b87a48 R11: ffffffffb3e59728 R12: 1ffff92000170f2a
[   23.046400][  T284] R13: 00000000000005f0 R14: ffffc90000b87a48 R15: ffffc90000b87d40
[   23.046822][  T284] FS:  00007f54af342740(0000) GS:ffff888081127000(0000) knlGS:0000000000000000
[   23.047304][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.047663][  T284] CR2: 00005576273ca5e6 CR3: 000000000b497006 CR4: 0000000000772ef0
[   23.048084][  T284] PKRU: 55555554
[   23.048291][  T284] Call Trace:
[   23.048509][  T284]  <TASK>
[ 23.048656][ T284] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.048977][ T284] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.049258][ T284] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.049552][ T284] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.049822][ T284] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.050096][ T284] netif_set_mtu (net/core/dev.c:9652) 
[ 23.050375][ T284] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.051031][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.051333][ T284] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.051553][ T284] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 23.051837][ T284] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 23.052111][ T284] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.052397][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.052689][ T284] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 23.052933][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.053219][ T284] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 23.053453][ T284] sock_do_ioctl (net/socket.c:1252) 
[ 23.053756][ T284] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 23.054033][ T284] ? __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) 
[ 23.054309][ T284] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 23.054593][ T284] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 23.054878][ T284] sock_ioctl (net/socket.c:1362) 
[ 23.055086][ T284] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 23.055358][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.055652][ T284] ? 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) 
[ 23.055926][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.056199][ T284] ? 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) 
[ 23.056497][ T284] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 23.056785][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.057103][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.057441][  T284] RIP: 0033:0x7f54af448e4b
[ 23.057748][ T284] 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
[   23.058770][  T284] RSP: 002b:00007fff1a1ad538 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   23.059197][  T284] RAX: ffffffffffffffda RBX: 00007fff1a1ad898 RCX: 00007f54af448e4b
[   23.059630][  T284] RDX: 00007fff1a1ad590 RSI: 0000000000008922 RDI: 0000000000000008
[   23.060056][  T284] RBP: 00007fff1a1ad8a8 R08: 1999999999999999 R09: 0000000000000000
[   23.060468][  T284] R10: 00007f54af4e3ac0 R11: 0000000000000246 R12: 00007fff1a1af981
[   23.060938][  T284] R13: 00005576273b98f0 R14: 00007fff1a1ad590 R15: 00005576273c48a2
| [   32.728209][  T345] ------------[ cut here ]------------
| [ 32.728555][ T345] WARNING: CPU: 3 PID: 345 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) 
| [   32.729127][  T345] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   32.730468][  T345] Tainted: [W]=WARN
[   32.730714][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.731081][ T345] 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) 
[ 32.731382][ T345] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   32.732415][  T345] RSP: 0018:ffffc90000737930 EFLAGS: 00010246
[   32.732785][  T345] RAX: 0000000000000000 RBX: ffff88800ba00000 RCX: 0000000000000001
[   32.733208][  T345] RDX: 0000000000000000 RSI: ffffffffb309f52e RDI: ffffffffb285a5a0
[   32.733669][  T345] RBP: ffffc90000737a18 R08: ffff88800ba00008 R09: 0000000000000000
[   32.734097][  T345] R10: ffffc90000737a48 R11: ffffffffb3e59728 R12: 1ffff920000e6f2a
[   32.734533][  T345] R13: 00000000000005f0 R14: ffffc90000737a48 R15: ffffc90000737d40
[   32.734959][  T345] FS:  00007fbde3998740(0000) GS:ffff888081227000(0000) knlGS:0000000000000000
[   32.735463][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.735835][  T345] CR2: 000055d1210945e6 CR3: 0000000011433006 CR4: 0000000000772ef0
[   32.736266][  T345] PKRU: 55555554
[   32.736493][  T345] Call Trace:
[   32.736707][  T345]  <TASK>
[ 32.736856][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.737143][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.737436][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.737735][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.738016][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.738301][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 32.738593][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.738887][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.739177][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.739392][ T345] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 32.739731][ T345] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 32.740016][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.740306][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.740599][ T345] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 32.740811][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.741102][ T345] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 32.741322][ T345] sock_do_ioctl (net/socket.c:1252) 
[ 32.741630][ T345] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 32.741920][ T345] ? __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) 
[ 32.742200][ T345] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 32.742499][ T345] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 32.742798][ T345] sock_ioctl (net/socket.c:1362) 
[ 32.743020][ T345] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 32.743307][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.743623][ T345] ? 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) 
[ 32.743904][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.744211][ T345] ? 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) 
[ 32.744517][ T345] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 32.744826][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.745131][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.745513][  T345] RIP: 0033:0x7fbde3a9ee4b
[ 32.745819][ T345] 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
[   32.746865][  T345] RSP: 002b:00007ffe57242fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   32.747298][  T345] RAX: ffffffffffffffda RBX: 00007ffe57243308 RCX: 00007fbde3a9ee4b
[   32.747747][  T345] RDX: 00007ffe57243000 RSI: 0000000000008922 RDI: 0000000000000008
[   32.748184][  T345] RBP: 00007ffe57243318 R08: 1999999999999999 R09: 0000000000000000
[   32.748648][  T345] R10: 00007fbde3b39ac0 R11: 0000000000000246 R12: 00007ffe57244981
[   32.749095][  T345] R13: 000055d1210838f0 R14: 00007ffe57243000 R15: 000055d12108e8a2
| [   42.582944][  T422] ------------[ cut here ]------------
| [ 42.583254][ T422] WARNING: CPU: 1 PID: 422 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) 
| [   42.583813][  T422] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   42.585338][  T422] Tainted: [W]=WARN
[   42.586664][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.587031][ T422] 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) 
[ 42.587323][ T422] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   42.588326][  T422] RSP: 0018:ffffc90000ac7930 EFLAGS: 00010246
[   42.588692][  T422] RAX: 0000000000000000 RBX: ffff888004fe8000 RCX: 0000000000000001
[   42.589125][  T422] RDX: 0000000000000000 RSI: ffffffffb309f52e RDI: ffffffffb285a5a0
[   42.589538][  T422] RBP: ffffc90000ac7a18 R08: ffff888004fe8008 R09: 0000000000000000
[   42.590000][  T422] R10: ffffc90000ac7a48 R11: ffffffffb3e59728 R12: 1ffff92000158f2a
[   42.590418][  T422] R13: 00000000000005f0 R14: ffffc90000ac7a48 R15: ffffc90000ac7d40
[   42.590837][  T422] FS:  00007fd6f8f63740(0000) GS:ffff888081127000(0000) knlGS:0000000000000000
[   42.591334][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.591695][  T422] CR2: 0000563fd639c5e6 CR3: 000000000f2de002 CR4: 0000000000772ef0
[   42.592109][  T422] PKRU: 55555554
[   42.592312][  T422] Call Trace:
[   42.592542][  T422]  <TASK>
[ 42.592687][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.592969][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.593262][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.593569][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.593875][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.594152][ T422] netif_set_mtu (net/core/dev.c:9652) 
[ 42.594426][ T422] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.594715][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.594998][ T422] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.595209][ T422] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 42.595494][ T422] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 42.595766][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.596043][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.596316][ T422] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 42.596536][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.596818][ T422] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 42.597027][ T422] sock_do_ioctl (net/socket.c:1252) 
[ 42.597313][ T422] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 42.597590][ T422] ? __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) 
[ 42.597893][ T422] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 42.598171][ T422] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 42.598453][ T422] sock_ioctl (net/socket.c:1362) 
[ 42.598674][ T422] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 42.598943][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.599222][ T422] ? 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) 
[ 42.599503][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.599775][ T422] ? 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) 
[ 42.600049][ T422] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 42.600326][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.600619][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.600955][  T422] RIP: 0033:0x7fd6f9069e4b
[ 42.601237][ T422] 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
[   42.602256][  T422] RSP: 002b:00007ffe00899248 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   42.602673][  T422] RAX: ffffffffffffffda RBX: 00007ffe008995a8 RCX: 00007fd6f9069e4b
[   42.603079][  T422] RDX: 00007ffe008992a0 RSI: 0000000000008922 RDI: 0000000000000008
[   42.603508][  T422] RBP: 00007ffe008995b8 R08: 1999999999999999 R09: 0000000000000000
[   42.603911][  T422] R10: 00007fd6f9104ac0 R11: 0000000000000246 R12: 00007ffe0089a981
[   42.604319][  T422] R13: 0000563fd638b8f0 R14: 00007ffe008992a0 R15: 0000563fd63968a2
| [   52.874412][  T505] ------------[ cut here ]------------
| [ 52.874741][ T505] WARNING: CPU: 0 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) 
| [   52.875292][  T505] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   52.876811][  T505] Tainted: [W]=WARN
[   52.877022][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.877371][ 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) 
[ 52.877660][ T505] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   52.878635][  T505] RSP: 0018:ffffc90000c87930 EFLAGS: 00010246
[   52.878991][  T505] RAX: 0000000000000000 RBX: ffff888009250000 RCX: 0000000000000001
[   52.879397][  T505] RDX: 0000000000000000 RSI: ffffffffb309f52e RDI: ffffffffb285a5a0
[   52.879822][  T505] RBP: ffffc90000c87a18 R08: ffff888009250008 R09: 0000000000000000
[   52.880229][  T505] R10: ffffc90000c87a48 R11: ffffffffb3e59728 R12: 1ffff92000190f2a
[   52.880647][  T505] R13: 00000000000005f0 R14: ffffc90000c87a48 R15: ffffc90000c87d40
[   52.881051][  T505] FS:  00007fc7bdc31740(0000) GS:ffff8880810a7000(0000) knlGS:0000000000000000
[   52.881534][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.881878][  T505] CR2: 000056472bd165e6 CR3: 0000000004cdd001 CR4: 0000000000772ef0
[   52.882290][  T505] PKRU: 55555554
[   52.882510][  T505] Call Trace:
[   52.882714][  T505]  <TASK>
[ 52.882856][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.883126][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.883407][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.883712][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.883982][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.884254][ T505] netif_set_mtu (net/core/dev.c:9652) 
[ 52.884543][ T505] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.884825][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.885100][ T505] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.885307][ T505] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 52.885588][ T505] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 52.885856][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.886134][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.886404][ T505] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 52.886622][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.886901][ T505] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 52.887109][ T505] sock_do_ioctl (net/socket.c:1252) 
[ 52.887384][ T505] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 52.887670][ T505] ? __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) 
[ 52.887943][ T505] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 52.888213][ T505] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 52.888513][ T505] sock_ioctl (net/socket.c:1362) 
[ 52.888724][ T505] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 52.888993][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.889263][ T505] ? 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) 
[ 52.889538][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.889812][ T505] ? 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) 
[ 52.890087][ T505] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 52.890361][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.890643][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.890982][  T505] RIP: 0033:0x7fc7bdd37e4b
[ 52.891263][ T505] 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
[   52.892249][  T505] RSP: 002b:00007ffdde226538 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   52.892666][  T505] RAX: ffffffffffffffda RBX: 00007ffdde226898 RCX: 00007fc7bdd37e4b
[   52.893075][  T505] RDX: 00007ffdde226590 RSI: 0000000000008922 RDI: 0000000000000008
[   52.893506][  T505] RBP: 00007ffdde2268a8 R08: 1999999999999999 R09: 0000000000000000
[   52.893912][  T505] R10: 00007fc7bddd2ac0 R11: 0000000000000246 R12: 00007ffdde227981
[   52.894313][  T505] R13: 000056472bd058f0 R14: 00007ffdde226590 R15: 000056472bd108a2
| [   63.137140][  T578] ------------[ cut here ]------------
| [ 63.137566][ T578] WARNING: CPU: 2 PID: 578 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) 
| [   63.138424][  T578] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   63.139827][  T578] Tainted: [W]=WARN
[   63.140094][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.140583][ T578] 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) 
[ 63.141161][ T578] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   63.142413][  T578] RSP: 0018:ffffc90000ed7930 EFLAGS: 00010246
[   63.142893][  T578] RAX: 0000000000000000 RBX: ffff888004f5c000 RCX: 0000000000000001
[   63.143429][  T578] RDX: 0000000000000000 RSI: ffffffffb309f52e RDI: ffffffffb285a5a0
[   63.144186][  T578] RBP: ffffc90000ed7a18 R08: ffff888004f5c008 R09: 0000000000000000
[   63.144720][  T578] R10: ffffc90000ed7a48 R11: ffffffffb3e59728 R12: 1ffff920001daf2a
[   63.145248][  T578] R13: 00000000000005f0 R14: ffffc90000ed7a48 R15: ffffc90000ed7d40
[   63.145957][  T578] FS:  00007f34b7298740(0000) GS:ffff8880811a7000(0000) knlGS:0000000000000000
[   63.146598][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.147028][  T578] CR2: 0000556acb63d5e6 CR3: 0000000008e32002 CR4: 0000000000772ef0
[   63.147749][  T578] PKRU: 55555554
[   63.148020][  T578] Call Trace:
[   63.148289][  T578]  <TASK>
[ 63.148486][ T578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.148851][ T578] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.149427][ T578] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.149796][ T578] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.150141][ T578] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.150533][ T578] netif_set_mtu (net/core/dev.c:9652) 
[ 63.150892][ T578] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.151257][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.151617][ T578] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.151898][ T578] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 63.152442][ T578] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 63.152802][ T578] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.153158][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.153538][ T578] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 63.153999][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.154355][ T578] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 63.154633][ T578] sock_do_ioctl (net/socket.c:1252) 
[ 63.154991][ T578] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 63.155542][ T578] ? __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) 
[ 63.155893][ T578] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 63.156277][ T578] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 63.156661][ T578] sock_ioctl (net/socket.c:1362) 
[ 63.156935][ T578] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 63.157474][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.157830][ T578] ? 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) 
[ 63.158213][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.158771][ T578] ? 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) 
[ 63.159141][ T578] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 63.159499][ T578] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.159864][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.161462][  T578] RIP: 0033:0x7f34b739ee4b
[ 63.161852][ T578] 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
[   63.163085][  T578] RSP: 002b:00007ffe29b84d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   63.163625][  T578] RAX: ffffffffffffffda RBX: 00007ffe29b85078 RCX: 00007f34b739ee4b
[   63.164136][  T578] RDX: 00007ffe29b84d70 RSI: 0000000000008922 RDI: 0000000000000008
[   63.164660][  T578] RBP: 00007ffe29b85088 R08: 1999999999999999 R09: 0000000000000000
[   63.165175][  T578] R10: 00007f34b7439ac0 R11: 0000000000000246 R12: 00007ffe29b86981
[   63.165705][  T578] R13: 0000556acb62c8f0 R14: 00007ffe29b84d70 R15: 0000556acb6378a2
| [   73.428300][  T656] ------------[ cut here ]------------
| [ 73.428645][ T656] WARNING: CPU: 1 PID: 656 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) 
| [   73.429214][  T656] Modules linked in: nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
| [   73.432139][  T656] Tainted: [W]=WARN
[   73.432362][  T656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.432717][ T656] 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) 
[ 73.433005][ T656] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   73.434057][  T656] RSP: 0018:ffffc900010a7930 EFLAGS: 00010246
[   73.434419][  T656] RAX: 0000000000000000 RBX: ffff888004ff4000 RCX: 0000000000000001
[   73.434861][  T656] RDX: 0000000000000000 RSI: ffffffffb309f52e RDI: ffffffffb285a5a0
[   73.435301][  T656] RBP: ffffc900010a7a18 R08: ffff888004ff4008 R09: 0000000000000000
[   73.435742][  T656] R10: ffffc900010a7a48 R11: ffffffffb3e59728 R12: 1ffff92000214f2a
[   73.436175][  T656] R13: 00000000000005f0 R14: ffffc900010a7a48 R15: ffffc900010a7d40
[   73.436614][  T656] FS:  00007fb640c16740(0000) GS:ffff888081127000(0000) knlGS:0000000000000000
[   73.437129][  T656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.437518][  T656] CR2: 000055f2ba1515e6 CR3: 000000000bbbe002 CR4: 0000000000772ef0
[   73.437954][  T656] PKRU: 55555554
[   73.438171][  T656] Call Trace:
[   73.438388][  T656]  <TASK>
[ 73.438550][ T656] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.438842][ T656] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.439137][ T656] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.439419][ T656] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.439702][ T656] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.439987][ T656] netif_set_mtu (net/core/dev.c:9652) 
[ 73.440266][ T656] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.440572][ T656] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.440859][ T656] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.441071][ T656] dev_ifsioc (net/core/dev_ioctl.c:572) 
[ 73.441341][ T656] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 73.441632][ T656] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.441925][ T656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.442199][ T656] ? dev_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev_ioctl.c:678) 
[ 73.442404][ T656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.442692][ T656] dev_ioctl (net/core/dev_ioctl.c:824) 
[ 73.442902][ T656] sock_do_ioctl (net/socket.c:1252) 
[ 73.443185][ T656] ? __pfx_sock_do_ioctl (net/socket.c:1230) 
[ 73.443506][ T656] ? __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) 
[ 73.443775][ T656] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 73.444045][ T656] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 73.444328][ T656] sock_ioctl (net/socket.c:1362) 
[ 73.444544][ T656] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 73.444817][ T656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.445090][ T656] ? 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) 
[ 73.445368][ T656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.445658][ T656] ? 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) 
[ 73.445936][ T656] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 73.446221][ T656] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.446510][ T656] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.446845][  T656] RIP: 0033:0x7fb640d1ce4b
[ 73.447129][ T656] 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
[   73.448118][  T656] RSP: 002b:00007ffc01a4fd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   73.448535][  T656] RAX: ffffffffffffffda RBX: 00007ffc01a500a8 RCX: 00007fb640d1ce4b
[   73.448940][  T656] RDX: 00007ffc01a4fda0 RSI: 0000000000008922 RDI: 0000000000000008
[   73.449349][  T656] RBP: 00007ffc01a500b8 R08: 1999999999999999 R09: 0000000000000000
[   73.449774][  T656] R10: 00007fb640db7ac0 R11: 0000000000000246 R12: 00007ffc01a50981


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