------------[ cut here ]------------
kernel BUG at ./include/linux/pagemap.h:1404!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8565 Comm: syz.2.413 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__readahead_folio include/linux/pagemap.h:1404 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1430 [inline]
RIP: 0010:mpage_readahead+0x765/0x790 fs/mpage.c:367
Code: c6 c0 f8 b9 8b e8 9b 20 e0 fe 90 0f 0b e8 23 af 78 ff 4c 89 ff 48 c7 c6 a0 f7 b9 8b e8 84 20 e0 fe 90 0f 0b e8 0c af 78 ff 90 <0f> 0b e8 04 af 78 ff 4c 89 ff 48 c7 c6 c0 f8 b9 8b e8 65 20 e0 fe
RSP: 0018:ffffc90013e6f100 EFLAGS: 00010293
RAX: ffffffff8247dfc4 RBX: 0000000000000004 RCX: ffff88807abe3c00
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffffc90013e6f2f0 R08: ffffea0001622707 R09: 1ffffd40002c44e0
R10: dffffc0000000000 R11: fffff940002c44e1 R12: ffffc90013e6f728
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc90013e6f740
FS:  00007fa2df8ba6c0(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0324bd6000 CR3: 0000000011452000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 read_pages+0x177/0x580 mm/readahead.c:160
 page_cache_ra_unbounded+0x6b0/0x7b0 mm/readahead.c:297
 do_page_cache_ra mm/readahead.c:327 [inline]
 force_page_cache_ra mm/readahead.c:356 [inline]
 page_cache_sync_ra+0x3b9/0xb10 mm/readahead.c:572
 filemap_get_pages+0x468/0x1de0 mm/filemap.c:2607
 filemap_splice_read+0x581/0xc60 mm/filemap.c:2996
 do_splice_read fs/splice.c:982 [inline]
 splice_direct_to_actor+0x4a9/0xcc0 fs/splice.c:1086
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 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: 0033:0x7fa2de98ebe9
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:00007fa2df8ba038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fa2debb5fa0 RCX: 00007fa2de98ebe9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007fa2dea11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa2debb6038 R14: 00007fa2debb5fa0 R15: 00007ffe0c3f8498
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__readahead_folio include/linux/pagemap.h:1404 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1430 [inline]
RIP: 0010:mpage_readahead+0x765/0x790 fs/mpage.c:367
Code: c6 c0 f8 b9 8b e8 9b 20 e0 fe 90 0f 0b e8 23 af 78 ff 4c 89 ff 48 c7 c6 a0 f7 b9 8b e8 84 20 e0 fe 90 0f 0b e8 0c af 78 ff 90 <0f> 0b e8 04 af 78 ff 4c 89 ff 48 c7 c6 c0 f8 b9 8b e8 65 20 e0 fe
RSP: 0018:ffffc90013e6f100 EFLAGS: 00010293
RAX: ffffffff8247dfc4 RBX: 0000000000000004 RCX: ffff88807abe3c00
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffffc90013e6f2f0 R08: ffffea0001622707 R09: 1ffffd40002c44e0
R10: dffffc0000000000 R11: fffff940002c44e1 R12: ffffc90013e6f728
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc90013e6f740
FS:  00007fa2df8ba6c0(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0324bd6000 CR3: 0000000011452000 CR4: 00000000003526f0