------------[ cut here ]------------
kernel BUG at ./include/linux/pagemap.h:1408!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8937 Comm: syz.3.601 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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 1d 7a 8b e8 2b 1b de fe 90 0f 0b e8 43 71 76 ff 4c 89 ff 48 c7 c6 20 1c 7a 8b e8 14 1b de fe 90 0f 0b e8 2c 71 76 ff 90 <0f> 0b e8 24 71 76 ff 4c 89 ff 48 c7 c6 40 1d 7a 8b e8 f5 1a de fe
RSP: 0018:ffffc90004d6f180 EFLAGS: 00010287
RAX: ffffffff8249d2e4 RBX: 0000000000000004 RCX: 0000000000080000
RDX: ffffc9000e3b3000 RSI: 000000000002eabd RDI: 000000000002eabe
RBP: ffffc90004d6f370 R08: ffffea0001f86707 R09: 1ffffd40003f0ce0
R10: dffffc0000000000 R11: fffff940003f0ce1 R12: ffffc90004d6f728
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc90004d6f740
FS:  00007fa0dc19b6c0(0000) GS:ffff888125d0b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff00367d88 CR3: 0000000060640000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 read_pages+0x17a/0x580 mm/readahead.c:163
 page_cache_ra_unbounded+0x3ea/0x9a0 mm/readahead.c:269
 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: 0033:0x7fa0db38eec9
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:00007fa0dc19b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fa0db5e6180 RCX: 00007fa0db38eec9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: 00007fa0db411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000201f00 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa0db5e6218 R14: 00007fa0db5e6180 R15: 00007fff409a22a8
 </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 1d 7a 8b e8 2b 1b de fe 90 0f 0b e8 43 71 76 ff 4c 89 ff 48 c7 c6 20 1c 7a 8b e8 14 1b de fe 90 0f 0b e8 2c 71 76 ff 90 <0f> 0b e8 24 71 76 ff 4c 89 ff 48 c7 c6 40 1d 7a 8b e8 f5 1a de fe
RSP: 0018:ffffc90004d6f180 EFLAGS: 00010287
RAX: ffffffff8249d2e4 RBX: 0000000000000004 RCX: 0000000000080000
RDX: ffffc9000e3b3000 RSI: 000000000002eabd RDI: 000000000002eabe
RBP: ffffc90004d6f370 R08: ffffea0001f86707 R09: 1ffffd40003f0ce0
R10: dffffc0000000000 R11: fffff940003f0ce1 R12: ffffc90004d6f728
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc90004d6f740
FS:  00007fa0dc19b6c0(0000) GS:ffff888125e0b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7370bb12f8 CR3: 0000000060640000 CR4: 00000000003526f0