do_madvise+0x1bc/0x270 mm/madvise.c:2033
 __do_sys_madvise mm/madvise.c:2042 [inline]
 __se_sys_madvise mm/madvise.c:2040 [inline]
 __x64_sys_madvise+0xa7/0xc0 mm/madvise.c:2040
 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
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1531!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6508 Comm: syz.0.182 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531
Code: 54 c7 ff 48 89 df 48 c7 c6 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc9001b31f028 EFLAGS: 00010246
RAX: 1020e6e4429cf900 RBX: ffffea0001a89640 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d78e538 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8f7de477 R09: 1ffffffff1efbc8e
R10: dffffc0000000000 R11: fffffbfff1efbc8f R12: 1ffffd40003512c9
R13: 1ffffd40003512c8 R14: ffffea0001a89648 R15: 0000000000000008
FS:  00007f6b366aa6c0(0000) GS:ffff888125fbc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ccaa2d62a CR3: 00000000333dc000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 iomap_readahead_iter fs/iomap/buffered-io.c:590 [inline]
 iomap_readahead+0x3f5/0xbd0 fs/iomap/buffered-io.c:636
 iomap_bio_readahead include/linux/iomap.h:609 [inline]
 xfs_vm_readahead+0x9f/0xe0 fs/xfs/xfs_aops.c:753
 read_pages+0x17a/0x580 mm/readahead.c:163
 page_cache_ra_order+0x959/0xe80 mm/readahead.c:518
 filemap_get_pages+0x468/0x1df0 mm/filemap.c:2690
 filemap_splice_read+0x581/0xc60 mm/filemap.c:3079
 xfs_file_splice_read+0x2b4/0x610 fs/xfs/xfs_file.c:340
 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: 0033:0x7f6b3578f6c9
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:00007f6b366aa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f6b359e5fa0 RCX: 00007f6b3578f6c9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f6b35811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 000000007a680000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6b359e6038 R14: 00007f6b359e5fa0 R15: 00007ffcd9fd7c78
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531
Code: 54 c7 ff 48 89 df 48 c7 c6 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc9001b31f028 EFLAGS: 00010246

RAX: 1020e6e4429cf900 RBX: ffffea0001a89640 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d78e538 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8f7de477 R09: 1ffffffff1efbc8e
R10: dffffc0000000000 R11: fffffbfff1efbc8f R12: 1ffffd40003512c9
R13: 1ffffd40003512c8 R14: ffffea0001a89648 R15: 0000000000000008
FS:  00007f6b366aa6c0(0000) GS:ffff888125fbc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd25f9b4198 CR3: 00000000333dc000 CR4: 00000000003526f0