BUG: unable to handle page fault for address: fffffffffffffff1
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 72ac067 P4D 72ac067 PUD 72ae067 PMD 0 
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 26254 Comm: syz.2.8812 Not tainted 6.12.30-syzkaller-ge2bf362ee23b #0 e1c904518e9113895a28c59b25a6002cdacb68bf
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:filemap_read_folio+0xda/0x2c0 mm/filemap.c:2408
Code: 44 24 40 00 00 00 00 48 81 e3 00 02 00 00 0f 85 86 01 00 00 e8 67 ee c8 ff 48 8b 7c 24 18 4c 89 f6 4d 89 fb 41 ba 65 d3 f7 e1 <45> 03 53 f1 74 02 0f 0b 41 ff d3 0f 1f 00 41 89 c7 31 ff 44 89 fe
RSP: 0018:ffffc90002157920 EFLAGS: 00010287

RAX: ffffffff81bcb4c9 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90003291000 RSI: ffffea00047be540 RDI: ffff888116c77280
RBP: ffffc900021579e0 R08: ffffea00047be547 R09: 1ffffd40008f7ca8
R10: 00000000e1f7d365 R11: 0000000000000000 R12: 1ffff9200042af28
R13: 1ffffd40008f7ca8 R14: ffffea00047be540 R15: 0000000000000000
FS:  00007fd8704966c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff1 CR3: 00000001184d8000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000093d DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_read_cache_folio+0x2b8/0x4d0 mm/filemap.c:3898
 read_cache_folio+0x54/0x90 mm/filemap.c:3930
 freader_get_folio+0x471/0x700 lib/buildid.c:77
 freader_fetch+0xa4/0x590 lib/buildid.c:120
 __build_id_parse+0x131/0x790 lib/buildid.c:305
 build_id_parse+0x2e/0x40 lib/buildid.c:359
 do_procmap_query fs/proc/task_mmu.c:546 [inline]
 procfs_procmap_ioctl+0x7f6/0xd10 fs/proc/task_mmu.c:625
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fd86f58e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd870496038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd86f7b5fa0 RCX: 00007fd86f58e929
RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000009
RBP: 00007fd86f610b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd86f7b5fa0 R15: 00007ffe45202bc8
 </TASK>
Modules linked in:
CR2: fffffffffffffff1
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_read_folio+0xda/0x2c0 mm/filemap.c:2408
Code: 44 24 40 00 00 00 00 48 81 e3 00 02 00 00 0f 85 86 01 00 00 e8 67 ee c8 ff 48 8b 7c 24 18 4c 89 f6 4d 89 fb 41 ba 65 d3 f7 e1 <45> 03 53 f1 74 02 0f 0b 41 ff d3 0f 1f 00 41 89 c7 31 ff 44 89 fe
RSP: 0018:ffffc90002157920 EFLAGS: 00010287
RAX: ffffffff81bcb4c9 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90003291000 RSI: ffffea00047be540 RDI: ffff888116c77280
RBP: ffffc900021579e0 R08: ffffea00047be547 R09: 1ffffd40008f7ca8
R10: 00000000e1f7d365 R11: 0000000000000000 R12: 1ffff9200042af28
R13: 1ffffd40008f7ca8 R14: ffffea00047be540 R15: 0000000000000000
FS:  00007fd8704966c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff1 CR3: 00000001184d8000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000093d DR6: 00000000ffff0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	44 24 40             	rex.R and $0x40,%al
   3:	00 00                	add    %al,(%rax)
   5:	00 00                	add    %al,(%rax)
   7:	48 81 e3 00 02 00 00 	and    $0x200,%rbx
   e:	0f 85 86 01 00 00    	jne    0x19a
  14:	e8 67 ee c8 ff       	call   0xffc8ee80
  19:	48 8b 7c 24 18       	mov    0x18(%rsp),%rdi
  1e:	4c 89 f6             	mov    %r14,%rsi
  21:	4d 89 fb             	mov    %r15,%r11
  24:	41 ba 65 d3 f7 e1    	mov    $0xe1f7d365,%r10d
* 2a:	45 03 53 f1          	add    -0xf(%r11),%r10d <-- trapping instruction
  2e:	74 02                	je     0x32
  30:	0f 0b                	ud2
  32:	41 ff d3             	call   *%r11
  35:	0f 1f 00             	nopl   (%rax)
  38:	41 89 c7             	mov    %eax,%r15d
  3b:	31 ff                	xor    %edi,%edi
  3d:	44 89 fe             	mov    %r15d,%esi