general protection fault, probably for non-canonical address 0xdffffc000000001b: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000000d8-0x00000000000000df]
CPU: 0 PID: 8291 Comm: syz-executor.0 Not tainted 6.8.0-rc1-next-20240125-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:btf_is_module+0x26/0x90 kernel/bpf/btf.c:7441
Code: 90 90 90 90 66 0f 1f 00 55 53 48 89 fb e8 82 35 dd ff 48 8d bb d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 02 7e 4c 0f b6 ab d8 00 00 00 31 ff 89 ee e8
RSP: 0018:ffffc900143ff858 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90003859000
RDX: 000000000000001b RSI: ffffffff81af09ee RDI: 00000000000000d8
RBP: ffffc900143ffaf0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000000 R12: ffffc900141af000
R13: 0000000000000004 R14: 0000000000000000 R15: ffffc900141af038
FS:  00007f7da159a6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7da09ad988 CR3: 0000000021eb4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 check_struct_ops_btf_id kernel/bpf/verifier.c:20302 [inline]
 check_attach_btf_id kernel/bpf/verifier.c:20730 [inline]
 bpf_check+0x6e45/0xa730 kernel/bpf/verifier.c:20897
 bpf_prog_load+0xec4/0x2660 kernel/bpf/syscall.c:2843
 __sys_bpf+0x9b4/0x4b80 kernel/bpf/syscall.c:5573
 __do_sys_bpf kernel/bpf/syscall.c:5680 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5678 [inline]
 __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5678
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f7da087cda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7da159a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7da09abf80 RCX: 00007f7da087cda9
RDX: 0000000000000090 RSI: 0000000020000440 RDI: 0000000000000005
RBP: 00007f7da08c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7da09abf80 R15: 00007ffda2b7b9e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btf_is_module+0x26/0x90 kernel/bpf/btf.c:7441
Code: 90 90 90 90 66 0f 1f 00 55 53 48 89 fb e8 82 35 dd ff 48 8d bb d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 02 7e 4c 0f b6 ab d8 00 00 00 31 ff 89 ee e8
RSP: 0018:ffffc900143ff858 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90003859000
RDX: 000000000000001b RSI: ffffffff81af09ee RDI: 00000000000000d8
RBP: ffffc900143ffaf0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000000 R12: ffffc900141af000
R13: 0000000000000004 R14: 0000000000000000 R15: ffffc900141af038
FS:  00007f7da159a6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1048da8000 CR3: 0000000021eb4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	66 0f 1f 00          	nopw   (%rax)
   8:	55                   	push   %rbp
   9:	53                   	push   %rbx
   a:	48 89 fb             	mov    %rdi,%rbx
   d:	e8 82 35 dd ff       	call   0xffdd3594
  12:	48 8d bb d8 00 00 00 	lea    0xd8(%rbx),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 02                	je     0x34
  32:	7e 4c                	jle    0x80
  34:	0f b6 ab d8 00 00 00 	movzbl 0xd8(%rbx),%ebp
  3b:	31 ff                	xor    %edi,%edi
  3d:	89 ee                	mov    %ebp,%esi
  3f:	e8                   	.byte 0xe8