page last free pid 9598 tgid 9596 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1394 [inline]
 free_unref_folios+0xdb3/0x14f0 mm/page_alloc.c:2963
 folios_put_refs+0x584/0x670 mm/swap.c:1002
 folio_batch_release include/linux/pagevec.h:101 [inline]
 truncate_inode_pages_range+0x346/0xda0 mm/truncate.c:383
 kill_bdev block/bdev.c:91 [inline]
 set_blocksize+0x32a/0x500 block/bdev.c:207
 blkdev_bszset+0x1ac/0x220 block/ioctl.c:554
 blkdev_ioctl+0x437/0x6d0 block/ioctl.c:688
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 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:871!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 9604 Comm: syz.2.780 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:870
Code: 14 c8 ff 4c 89 e7 48 c7 c6 60 63 74 8b e8 6b fc 2f ff 90 0f 0b e8 c3 14 c8 ff 4c 89 e7 48 c7 c6 40 5a 74 8b e8 54 fc 2f ff 90 <0f> 0b e8 ac 14 c8 ff 4c 89 e7 48 c7 c6 60 63 74 8b e8 3d fc 2f ff
RSP: 0018:ffffc9000b9472a0 EFLAGS: 00010246
RAX: a170051aafff2c00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d70d450 RDI: 00000000ffffffff
RBP: ffffc9000b947408 R08: ffffffff8f7cdc77 R09: 1ffffffff1ef9b8e
R10: dffffc0000000000 R11: fffffbfff1ef9b8f R12: ffffea0000c4b2c0
R13: dffffc0000000000 R14: ffffea0000c4b2c8 R15: 0000000000000002
FS:  00007f131eec86c0(0000) GS:ffff88812623d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feb12eff000 CR3: 0000000064b03000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x26d/0x540 mm/filemap.c:978
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x6bc/0xe70 mm/readahead.c:512
 do_sync_mmap_readahead+0x25e/0x7a0 mm/filemap.c:-1
 filemap_fault+0x6b9/0x12b0 mm/filemap.c:3489
 __do_fault+0x138/0x390 mm/memory.c:5280
 do_read_fault mm/memory.c:5698 [inline]
 do_fault mm/memory.c:5832 [inline]
 do_pte_missing mm/memory.c:4361 [inline]
 handle_pte_fault mm/memory.c:6177 [inline]
 __handle_mm_fault+0x35e3/0x5400 mm/memory.c:6318
 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6487
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x165c/0x2a00 mm/gup.c:1428
 populate_vma_page_range+0x29f/0x3a0 mm/gup.c:1860
 __mm_populate+0x24c/0x380 mm/gup.c:1963
 mm_populate include/linux/mm.h:3471 [inline]
 vm_mmap_pgoff+0x387/0x4d0 mm/util.c:586
 ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:604
 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: 0033:0x7f131df8efc9
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:00007f131eec8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f131e1e6090 RCX: 00007f131df8efc9
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f131e011f91 R08: 0000000000000004 R09: 000000002c93a000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f131e1e6128 R14: 00007f131e1e6090 R15: 00007ffe7609c1d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:870
Code: 14 c8 ff 4c 89 e7 48 c7 c6 60 63 74 8b e8 6b fc 2f ff 90 0f 0b e8 c3 14 c8 ff 4c 89 e7 48 c7 c6 40 5a 74 8b e8 54 fc 2f ff 90 <0f> 0b e8 ac 14 c8 ff 4c 89 e7 48 c7 c6 60 63 74 8b e8 3d fc 2f ff
RSP: 0018:ffffc9000b9472a0 EFLAGS: 00010246
RAX: a170051aafff2c00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d70d450 RDI: 00000000ffffffff
RBP: ffffc9000b947408 R08: ffffffff8f7cdc77 R09: 1ffffffff1ef9b8e
R10: dffffc0000000000 R11: fffffbfff1ef9b8f R12: ffffea0000c4b2c0
R13: dffffc0000000000 R14: ffffea0000c4b2c8 R15: 0000000000000002
FS:  00007f131eec86c0(0000) GS:ffff88812613d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbcf063af98 CR3: 0000000064b03000 CR4: 0000000000350ef0