------------[ cut here ]------------
kernel BUG at ./include/linux/pagemap.h:1408!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 12723 Comm: syz.9.17128 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__readahead_folio include/linux/pagemap.h:1408 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1434 [inline]
RIP: 0010:mpage_readahead+0x765/0x790 fs/mpage.c:367
Code: c6 40 1b 7a 8b e8 6b 44 de fe 90 0f 0b e8 f3 59 76 ff 4c 89 ff 48 c7 c6 20 1a 7a 8b e8 54 44 de fe 90 0f 0b e8 dc 59 76 ff 90 <0f> 0b e8 d4 59 76 ff 4c 89 ff 48 c7 c6 40 1b 7a 8b e8 35 44 de fe
RSP: 0018:ffffc90011667100 EFLAGS: 00010287
RAX: ffffffff8249a9e4 RBX: 0000000000000004 RCX: 0000000000080000
RDX: ffffc9000e16e000 RSI: 0000000000021f64 RDI: 0000000000021f65
RBP: ffffc900116672f0 R08: ffffea0000dc4507 R09: 1ffffd40001b88a0
R10: dffffc0000000000 R11: fffff940001b88a1 R12: ffffc90011667728
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc90011667740
FS:  00007fce0da276c0(0000) GS:ffff88812623b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe7d717e48 CR3: 0000000058a22000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 read_pages+0x17a/0x580 mm/readahead.c:163
 page_cache_ra_unbounded+0x75e/0x9a0 mm/readahead.c:302
 do_page_cache_ra mm/readahead.c:332 [inline]
 force_page_cache_ra mm/readahead.c:361 [inline]
 page_cache_sync_ra+0x443/0xc60 mm/readahead.c:579
 filemap_get_pages+0x468/0x1de0 mm/filemap.c:2638
 filemap_splice_read+0x581/0xc60 mm/filemap.c:3027
 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: 0033:0x7fce0cb8f6c9
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:00007fce0da27038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fce0cde5fa0 RCX: 00007fce0cb8f6c9
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 00007fce0cc11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000200000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fce0cde6038 R14: 00007fce0cde5fa0 R15: 00007ffd91639b88
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__readahead_folio include/linux/pagemap.h:1408 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1434 [inline]
RIP: 0010:mpage_readahead+0x765/0x790 fs/mpage.c:367
Code: c6 40 1b 7a 8b e8 6b 44 de fe 90 0f 0b e8 f3 59 76 ff 4c 89 ff 48 c7 c6 20 1a 7a 8b e8 54 44 de fe 90 0f 0b e8 dc 59 76 ff 90 <0f> 0b e8 d4 59 76 ff 4c 89 ff 48 c7 c6 40 1b 7a 8b e8 35 44 de fe
RSP: 0018:ffffc90011667100 EFLAGS: 00010287
RAX: ffffffff8249a9e4 RBX: 0000000000000004 RCX: 0000000000080000
RDX: ffffc9000e16e000 RSI: 0000000000021f64 RDI: 0000000000021f65
RBP: ffffc900116672f0 R08: ffffea0000dc4507 R09: 1ffffd40001b88a0
R10: dffffc0000000000 R11: fffff940001b88a1 R12: ffffc90011667728
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc90011667740
FS:  00007fce0da276c0(0000) GS:ffff88812623b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff91ddb12f8 CR3: 0000000058a22000 CR4: 0000000000350ef0