do_sock_getsockopt+0x300/0x440 net/socket.c:2425
 __sys_getsockopt net/socket.c:2454 [inline]
 __do_sys_getsockopt net/socket.c:2461 [inline]
 __se_sys_getsockopt net/socket.c:2458 [inline]
 __x64_sys_getsockopt+0x1a5/0x250 net/socket.c:2458
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1531!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 13799 Comm: syz.4.3533 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531
Code: 54 c7 ff 48 89 df 48 c7 c6 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc90003307288 EFLAGS: 00010246
RAX: 56d959eeb03c0d00 RBX: ffffea0000bd6e00 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d78e538 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8f7de477 R09: 1ffffffff1efbc8e
R10: dffffc0000000000 R11: fffffbfff1efbc8f R12: 1ffffd400017adc1
R13: 1ffffd400017adc0 R14: ffffea0000bd6e08 R15: 0000000000000008
FS:  00007f26250bf6c0(0000) GS:ffff888125ebc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30e21ff8 CR3: 00000000223f0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 iomap_read_folio+0x373/0x580 fs/iomap/buffered-io.c:578
 iomap_bio_read_folio include/linux/iomap.h:598 [inline]
 erofs_read_folio+0x12c/0x2e0 fs/erofs/data.c:374
 filemap_read_folio+0x117/0x380 mm/filemap.c:2496
 do_read_cache_folio+0x358/0x590 mm/filemap.c:4095
 read_mapping_folio include/linux/pagemap.h:1017 [inline]
 erofs_bread+0x46f/0x7f0 fs/erofs/data.c:40
 erofs_find_target_block fs/erofs/namei.c:103 [inline]
 erofs_namei+0x36b/0x1030 fs/erofs/namei.c:177
 erofs_lookup+0x138/0x340 fs/erofs/namei.c:206
 lookup_open fs/namei.c:4382 [inline]
 open_last_lookups fs/namei.c:4509 [inline]
 path_openat+0x15c6/0x3d90 fs/namei.c:4753
 do_filp_open+0x1fa/0x410 fs/namei.c:4783
 do_sys_openat2+0x121/0x1c0 fs/open.c:1432
 do_sys_open fs/open.c:1447 [inline]
 __do_sys_openat fs/open.c:1463 [inline]
 __se_sys_openat fs/open.c:1458 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1458
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f262418f6c9
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:00007f26250bf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f26243e5fa0 RCX: 00007f262418f6c9
RDX: 0000000000040000 RSI: 00002000000000c0 RDI: ffffffffffffff9c
RBP: 00007f2624211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000101 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f26243e6038 R14: 00007f26243e5fa0 R15: 00007ffdf1ca4f98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531
Code: 54 c7 ff 48 89 df 48 c7 c6 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc90003307288 EFLAGS: 00010246
RAX: 56d959eeb03c0d00 RBX: ffffea0000bd6e00 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d78e538 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8f7de477 R09: 1ffffffff1efbc8e
R10: dffffc0000000000 R11: fffffbfff1efbc8f R12: 1ffffd400017adc1
R13: 1ffffd400017adc0 R14: ffffea0000bd6e08 R15: 0000000000000008
FS:  00007f26250bf6c0(0000) GS:ffff888125fbc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f43d23b4198 CR3: 00000000223f0000 CR4: 00000000003526f0