------------[ cut here ]------------
kernel BUG at ./include/linux/pagemap.h:1398!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 28446 Comm: syz.5.5925 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__readahead_folio include/linux/pagemap.h:1398 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1424 [inline]
RIP: 0010:mpage_readahead+0x637/0x650 fs/mpage.c:367
Code: c6 60 d9 59 8b e8 89 8f e2 fe 90 0f 0b e8 51 c0 78 ff 4c 89 ef 48 c7 c6 c0 d9 59 8b e8 72 8f e2 fe 90 0f 0b e8 3a c0 78 ff 90 <0f> 0b e8 32 c0 78 ff 90 0f 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffffc900044ef100 EFLAGS: 00010287
RAX: ffffffff824555e6 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc90014d5f000 RSI: 00000000000074e6 RDI: 00000000000074e7
RBP: ffffc900044ef2f0 R08: ffffea00016c5c07 R09: 1ffffd40002d8b80
R10: dffffc0000000000 R11: fffff940002d8b81 R12: dffffc0000000000
R13: ffffc900044ef728 R14: 0000000000000004 R15: ffffc900044ef740
FS:  00007fc1413d66c0(0000) GS:ffff88812647e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000100 CR3: 000000007bc4d000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 read_pages+0x17a/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+0x43c/0x1ea0 mm/filemap.c:2603
 filemap_splice_read+0x581/0xc60 mm/filemap.c:2991
 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/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc14058eec9
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:00007fc1413d6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fc1407e6090 RCX: 00007fc14058eec9
RDX: 0000000000000000 RSI: 000000000000000a RDI: 000000000000000a
RBP: 00007fc140611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000200000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc1407e6128 R14: 00007fc1407e6090 R15: 00007ffecb6baf58
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__readahead_folio include/linux/pagemap.h:1398 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1424 [inline]
RIP: 0010:mpage_readahead+0x637/0x650 fs/mpage.c:367
Code: c6 60 d9 59 8b e8 89 8f e2 fe 90 0f 0b e8 51 c0 78 ff 4c 89 ef 48 c7 c6 c0 d9 59 8b e8 72 8f e2 fe 90 0f 0b e8 3a c0 78 ff 90 <0f> 0b e8 32 c0 78 ff 90 0f 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffffc900044ef100 EFLAGS: 00010287
RAX: ffffffff824555e6 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc90014d5f000 RSI: 00000000000074e6 RDI: 00000000000074e7
RBP: ffffc900044ef2f0 R08: ffffea00016c5c07 R09: 1ffffd40002d8b80
R10: dffffc0000000000 R11: fffff940002d8b81 R12: dffffc0000000000
R13: ffffc900044ef728 R14: 0000000000000004 R15: ffffc900044ef740
FS:  00007fc1413d66c0(0000) GS:ffff88812647e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feb38e65f3a CR3: 000000007bc4d000 CR4: 0000000000350ef0