BUG: unable to handle page fault for address: fffffffffffffffb
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD d131067 P4D d131067 PUD d133067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 26024 Comm: syz-executor.5 Not tainted 6.4.0-syzkaller-11312-gb5641a5d8b8b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:idempotent kernel/module/main.c:3078 [inline]
RIP: 0010:init_module_from_file kernel/module/main.c:3124 [inline]
RIP: 0010:__do_sys_finit_module kernel/module/main.c:3171 [inline]
RIP: 0010:__se_sys_finit_module+0x371/0x8d0 kernel/module/main.c:3154
Code: 60 4d 89 f7 49 83 c7 f8 74 57 4c 89 74 24 68 4c 8b 74 24 78 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 df 9c 6c 00 <4d> 39 37 0f 94 c3 74 38 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc90015cdfcc0 EFLAGS: 00010246
RAX: 1fffffffffffffff RBX: ffffffff91fdc600 RCX: ffff88802d9d8000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90015cdfc40
RBP: ffffc90015cdff20 R08: 0000000000000003 R09: fffff52002b9bf88
R10: dffffc0000000000 R11: fffff52002b9bf88 R12: 1ffff92002b9bfa8
R13: dffffc0000000000 R14: ffff888148cce370 R15: fffffffffffffffb
FS:  00007f6eb8c4e700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffffb CR3: 000000007bf8f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6eb7e8c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6eb8c4e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007f6eb7fabf80 RCX: 00007f6eb7e8c389
RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00007f6eb7ed7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe8327451f R14: 00007f6eb8c4e300 R15: 0000000000022000
 </TASK>
Modules linked in:
CR2: fffffffffffffffb
---[ end trace 0000000000000000 ]---
RIP: 0010:idempotent kernel/module/main.c:3078 [inline]
RIP: 0010:init_module_from_file kernel/module/main.c:3124 [inline]
RIP: 0010:__do_sys_finit_module kernel/module/main.c:3171 [inline]
RIP: 0010:__se_sys_finit_module+0x371/0x8d0 kernel/module/main.c:3154
Code: 60 4d 89 f7 49 83 c7 f8 74 57 4c 89 74 24 68 4c 8b 74 24 78 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 df 9c 6c 00 <4d> 39 37 0f 94 c3 74 38 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc90015cdfcc0 EFLAGS: 00010246
RAX: 1fffffffffffffff RBX: ffffffff91fdc600 RCX: ffff88802d9d8000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90015cdfc40
RBP: ffffc90015cdff20 R08: 0000000000000003 R09: fffff52002b9bf88
R10: dffffc0000000000 R11: fffff52002b9bf88 R12: 1ffff92002b9bfa8
R13: dffffc0000000000 R14: ffff888148cce370 R15: fffffffffffffffb
FS:  00007f6eb8c4e700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffffb CR3: 000000007bf8f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	4d 89 f7             	mov    %r14,%r15
   3:	49 83 c7 f8          	add    $0xfffffffffffffff8,%r15
   7:	74 57                	je     0x60
   9:	4c 89 74 24 68       	mov    %r14,0x68(%rsp)
   e:	4c 8b 74 24 78       	mov    0x78(%rsp),%r14
  13:	4c 89 f8             	mov    %r15,%rax
  16:	48 c1 e8 03          	shr    $0x3,%rax
  1a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  1f:	74 08                	je     0x29
  21:	4c 89 ff             	mov    %r15,%rdi
  24:	e8 df 9c 6c 00       	callq  0x6c9d08
* 29:	4d 39 37             	cmp    %r14,(%r15) <-- trapping instruction
  2c:	0f 94 c3             	sete   %bl
  2f:	74 38                	je     0x69
  31:	49 83 c7 08          	add    $0x8,%r15
  35:	4c 89 f8             	mov    %r15,%rax
  38:	48 c1 e8 03          	shr    $0x3,%rax
  3c:	42                   	rex.X
  3d:	80                   	.byte 0x80
  3e:	3c                   	.byte 0x3c