------------[ cut here ]------------
kernel BUG at ./include/linux/pagemap.h:1412!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 7785 Comm: syz.0.435 Not tainted 6.16.0-rc6-next-20250718-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:1412 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1438 [inline]
RIP: 0010:mpage_readahead+0x637/0x650 fs/mpage.c:367
Code: c6 60 21 ba 8b e8 e9 a3 bf ff 90 0f 0b e8 71 23 78 ff 4c 89 ef 48 c7 c6 c0 21 ba 8b e8 d2 a3 bf ff 90 0f 0b e8 5a 23 78 ff 90 <0f> 0b e8 52 23 78 ff 90 0f 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffffc9000bdef100 EFLAGS: 00010246
RAX: ffffffff8247ddb6 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc900048da000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000bdef2f0 R08: ffffea0000c2e007 R09: 1ffffd4000185c00
R10: dffffc0000000000 R11: fffff94000185c01 R12: dffffc0000000000
R13: ffffc9000bdef728 R14: 0000000000000010 R15: ffffc9000bdef740
FS:  00007f65c062d6c0(0000) GS:ffff8881257ab000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c39084f CR3: 0000000076e28000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 read_pages+0x17a/0x580 mm/readahead.c:160
 page_cache_ra_unbounded+0x346/0x7b0 mm/readahead.c:264
 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+0x486/0x1da0 mm/filemap.c:2604
 filemap_splice_read+0x4fc/0xbc0 mm/filemap.c:2992
 do_splice_read fs/splice.c:979 [inline]
 splice_direct_to_actor+0x4a9/0xcc0 fs/splice.c:1083
 do_splice_direct_actor fs/splice.c:1201 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1227
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1425 [inline]
 __se_sys_sendfile64+0xd9/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f65bf78e9a9
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:00007f65c062d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f65bf9b5fa0 RCX: 00007f65bf78e9a9
RDX: 0000200000001000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 00007f65bf810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 000000007ffff000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f65bf9b5fa0 R15: 00007fff18eb0788
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__readahead_folio include/linux/pagemap.h:1412 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1438 [inline]
RIP: 0010:mpage_readahead+0x637/0x650 fs/mpage.c:367
Code: c6 60 21 ba 8b e8 e9 a3 bf ff 90 0f 0b e8 71 23 78 ff 4c 89 ef 48 c7 c6 c0 21 ba 8b e8 d2 a3 bf ff 90 0f 0b e8 5a 23 78 ff 90 <0f> 0b e8 52 23 78 ff 90 0f 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffffc9000bdef100 EFLAGS: 00010246
RAX: ffffffff8247ddb6 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc900048da000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000bdef2f0 R08: ffffea0000c2e007 R09: 1ffffd4000185c00
R10: dffffc0000000000 R11: fffff94000185c01 R12: dffffc0000000000
R13: ffffc9000bdef728 R14: 0000000000000010 R15: ffffc9000bdef740
FS:  00007f65c062d6c0(0000) GS:ffff8881257ab000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4b23183178 CR3: 0000000076e28000 CR4: 00000000003526f0