general protection fault, probably for non-canonical address 0xdffffc00000043ff: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000000000021ff8-0x0000000000021fff]
CPU: 1 PID: 19295 Comm: syz-executor.5 Not tainted 6.4.0-syzkaller-09774-gb25f62ccb490 #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+0x362/0x8d0 kernel/module/main.c:3154
Code: 74 24 48 48 89 5c 24 20 4c 8b 33 4d 85 f6 74 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 2f 9b 6c 00 4d 39 37 0f 94 c3 74
RSP: 0018:ffffc9000345fcc0 EFLAGS: 00010206
RAX: 00000000000043ff RBX: ffffffff91fd4b00 RCX: ffff888027c25940
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc9000345fc40
RBP: ffffc9000345ff20 R08: 0000000000000003 R09: fffff5200068bf88
R10: dffffc0000000000 R11: fffff5200068bf88 R12: 1ffff9200068bfa8
R13: dffffc0000000000 R14: ffff888023ebc650 R15: 0000000000021ff8
FS:  00007ff99e742700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c6a545718 CR3: 0000000077cc1000 CR4: 00000000003526e0
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: 0033:0x7ff99da8c389
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:00007ff99e742168 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007ff99dbabf80 RCX: 00007ff99da8c389
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 00007ff99dad7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd541271af R14: 00007ff99e742300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ 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+0x362/0x8d0 kernel/module/main.c:3154
Code: 74 24 48 48 89 5c 24 20 4c 8b 33 4d 85 f6 74 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 2f 9b 6c 00 4d 39 37 0f 94 c3 74
RSP: 0018:ffffc9000345fcc0 EFLAGS: 00010206
RAX: 00000000000043ff RBX: ffffffff91fd4b00 RCX: ffff888027c25940
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc9000345fc40
RBP: ffffc9000345ff20 R08: 0000000000000003 R09: fffff5200068bf88
R10: dffffc0000000000 R11: fffff5200068bf88 R12: 1ffff9200068bfa8
----------------
Code disassembly (best guess):
   0:	74 24                	je     0x26
   2:	48                   	rex.W
   3:	48 89 5c 24 20       	mov    %rbx,0x20(%rsp)
   8:	4c 8b 33             	mov    (%rbx),%r14
   b:	4d 85 f6             	test   %r14,%r14
   e:	74 60                	je     0x70
  10:	4d 89 f7             	mov    %r14,%r15
  13:	49 83 c7 f8          	add    $0xfffffffffffffff8,%r15
  17:	74 57                	je     0x70
  19:	4c 89 74 24 68       	mov    %r14,0x68(%rsp)
  1e:	4c 8b 74 24 78       	mov    0x78(%rsp),%r14
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ff             	mov    %r15,%rdi
  34:	e8 2f 9b 6c 00       	callq  0x6c9b68
  39:	4d 39 37             	cmp    %r14,(%r15)
  3c:	0f 94 c3             	sete   %bl
  3f:	74                   	.byte 0x74