getname include/linux/fs.h:3006 [inline]
 do_sys_openat2+0xbc/0x1c0 fs/open.c:1431
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_openat fs/open.c:1468 [inline]
 __se_sys_openat fs/open.c:1463 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1463
 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:1530!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6796 Comm: syz.4.393 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:folio_end_read+0x1e9/0x230 mm/filemap.c:1530
Code: 79 c7 ff 48 89 df 48 c7 c6 20 6d 74 8b e8 0f e1 2e ff 90 0f 0b e8 d7 79 c7 ff 48 89 df 48 c7 c6 40 63 74 8b e8 f8 e0 2e ff 90 <0f> 0b e8 c0 79 c7 ff 48 89 df 48 c7 c6 20 6d 74 8b e8 e1 e0 2e ff
RSP: 0018:ffffc90004e4f608 EFLAGS: 00010246
RAX: be277f5a53e76600 RBX: ffffea0000bef480 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8d77b493 RDI: 00000000ffffffff
RBP: 0000000000000000 R08: ffffffff8f7d6777 R09: 1ffffffff1efacee
R10: dffffc0000000000 R11: fffffbfff1efacef R12: 1ffffd400017de91
R13: 1ffffd400017de90 R14: ffffea0000bef488 R15: 00fff20000004020
FS:  00007f01a40eb6c0(0000) GS:ffff888125ee5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0c048ce4b4 CR3: 0000000075e08000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 iomap_read_folio+0x383/0x580 fs/iomap/buffered-io.c:482
 iomap_bio_read_folio include/linux/iomap.h:597 [inline]
 erofs_read_folio+0x13c/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:1006 [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+0x148/0x340 fs/erofs/namei.c:206
 lookup_one_qstr_excl+0x131/0x360 fs/namei.c:1705
 filename_create+0x224/0x3c0 fs/namei.c:4227
 do_mkdirat+0xa0/0x590 fs/namei.c:4478
 __do_sys_mkdirat fs/namei.c:4503 [inline]
 __se_sys_mkdirat fs/namei.c:4501 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4501
 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: 0033:0x7f01a318efc9
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:00007f01a40eb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f01a33e5fa0 RCX: 00007f01a318efc9
RDX: 00000000000001c1 RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007f01a3211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f01a33e6038 R14: 00007f01a33e5fa0 R15: 00007fff568b5248
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_end_read+0x1e9/0x230 mm/filemap.c:1530
Code: 79 c7 ff 48 89 df 48 c7 c6 20 6d 74 8b e8 0f e1 2e ff 90 0f 0b e8 d7 79 c7 ff 48 89 df 48 c7 c6 40 63 74 8b e8 f8 e0 2e ff 90 <0f> 0b e8 c0 79 c7 ff 48 89 df 48 c7 c6 20 6d 74 8b e8 e1 e0 2e ff
RSP: 0018:ffffc90004e4f608 EFLAGS: 00010246
RAX: be277f5a53e76600 RBX: ffffea0000bef480 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8d77b493 RDI: 00000000ffffffff
RBP: 0000000000000000 R08: ffffffff8f7d6777 R09: 1ffffffff1efacee
R10: dffffc0000000000 R11: fffffbfff1efacef R12: 1ffffd400017de91
R13: 1ffffd400017de90 R14: ffffea0000bef488 R15: 00fff20000004020
FS:  00007f01a40eb6c0(0000) GS:ffff888125fe5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c29e63b CR3: 0000000075e08000 CR4: 00000000003526f0