======================================
| [   10.774274] #PF: supervisor instruction fetch in kernel mode
| [   10.774316] #PF: error_code(0x0010) - not-present page
| [   10.774352] PGD 0 P4D 0
| [   10.774373] Oops: Oops: 0010 [#1] PREEMPT SMP NOPTI
[   10.774464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.774508] RIP: 0010:0x0
[ 10.774530] Code: Unable to access opcode bytes at 0xffffffffffffffd6.

Code starting with the faulting instruction
===========================================
[   10.774571] RSP: 0018:ffffaadc81edfed8 EFLAGS: 00010282
[   10.774607] RAX: 0000000000000000 RBX: ffff9106050ff9c0 RCX: 0000000000000002
[   10.774657] RDX: 00007ffc2b768c60 RSI: 0000000000005401 RDI: ffff9106050ff9c0
[   10.774708] RBP: ffff9106050ff9c0 R08: 0000000000000000 R09: 0000000000000000
[   10.774759] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   10.774803] R13: 0000000000005401 R14: 00007ffc2b768c60 R15: ffff910610701f00
[   10.774849] FS:  00007fcb73bb11c0(0000) GS:ffff91063ed00000(0000) knlGS:0000000000000000
[   10.774900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.774942] CR2: ffffffffffffffd6 CR3: 0000000001cd6006 CR4: 0000000000772ef0
[   10.774993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.775043] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.775088] PKRU: 55555554
[   10.775103] Call Trace:
[   10.775122]  <TASK>
[   10.775142] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434) 
[   10.775173] ? page_fault_oops (arch/x86/mm/fault.c:715) 
[   10.775201] ? _copy_to_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:147 ./include/linux/uaccess.h:197 lib/usercopy.c:26) 
[   10.775229] ? cp_new_stat (fs/stat.c:496) 
[   10.775257] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539) 
[   10.775285] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   10.775314] full_proxy_unlocked_ioctl (fs/debugfs/file.c:399) 
[   10.775352] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:906 fs/ioctl.c:892 fs/ioctl.c:892) 
[   10.775380] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[   10.775409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.775444] RIP: 0033:0x7fcb73dd0bba
[ 10.775471] Code: f3 0f 1e fa 48 83 ec 38 49 89 f0 be 01 54 00 00 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 89 e2 b8 10 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e 41 89 c1 85 c0 75 5d 48 8b 04 24 0f b7 54
All code
========
   0:	f3 0f 1e fa          	endbr64
   4:	48 83 ec 38          	sub    $0x38,%rsp
   8:	49 89 f0             	mov    %rsi,%r8
   b:	be 01 54 00 00       	mov    $0x5401,%esi
  10:	64 48 8b 04 25 28 00 	mov    %fs:0x28,%rax
  17:	00 00 
  19:	48 89 44 24 28       	mov    %rax,0x28(%rsp)
  1e:	31 c0                	xor    %eax,%eax
  20:	48 89 e2             	mov    %rsp,%rdx
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	41 89 c1             	mov    %eax,%r9d
  35:	85 c0                	test   %eax,%eax
  37:	75 5d                	jne    0x96
  39:	48 8b 04 24          	mov    (%rsp),%rax
  3d:	0f                   	.byte 0xf
  3e:	b7 54                	mov    $0x54,%bh

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	41 89 c1             	mov    %eax,%r9d
   b:	85 c0                	test   %eax,%eax
   d:	75 5d                	jne    0x6c
   f:	48 8b 04 24          	mov    (%rsp),%rax
  13:	0f                   	.byte 0xf
  14:	b7 54                	mov    $0x54,%bh
[   10.775582] RSP: 002b:00007ffc2b768c60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   10.775633] RAX: ffffffffffffffda RBX: 00007fcb65b20880 RCX: 00007fcb73dd0bba
[   10.775683] RDX: 00007ffc2b768c60 RSI: 0000000000005401 RDI: 0000000000000006
[   10.775728] RBP: 0000560bc326a8d0 R08: 00007ffc2b768ca0 R09: 0000000000000000
[   10.775773] R10: 7093ccfba7d2ba3c R11: 0000000000000246 R12: 0000000000000001


Finger prints:
full_proxy_unlocked_ioctl:__x64_sys_ioctl:do_syscall_64