head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: VM_BUG_ON_FOLIO(folio_order(folio) < mapping_min_folio_order(mapping))
------------[ cut here ]------------
kernel BUG at mm/filemap.c:868!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 9815 Comm: syz.1.523 Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __filemap_add_folio+0xdd0/0x1034 mm/filemap.c:867
lr : __filemap_add_folio+0xdd0/0x1034 mm/filemap.c:867
sp : ffff80009d666e00
x29: ffff80009d666f40 x28: 000000000010002b x27: dfff800000000000
x26: 0000000000000003 x25: ffff80009d666ec0 x24: ffff0000c1549f88
x23: 0000000000000004 x22: ffff700013accdd4 x21: fffffdffc3fe7e00
x20: 0000000000000003 x19: 05ffc00000000041 x18: 1fffe000337d1c76
x17: 6e697070616d203c x16: ffff80008ae69508 x15: ffff700011ee0158
x14: 1ffff00011ee0158 x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff700011ee0158 x10: 0000000000ff0100 x9 : e73b88fb72375a00
x8 : e73b88fb72375a00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009d666518 x4 : ffff80008f776bc0 x3 : ffff80008054bdfc
x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000005b
Call trace:
 __filemap_add_folio+0xdd0/0x1034 mm/filemap.c:867 (P)
 filemap_add_folio+0xe8/0x298 mm/filemap.c:969
 ra_alloc_folio mm/readahead.c:448 [inline]
 page_cache_ra_order+0x588/0xb34 mm/readahead.c:509
 page_cache_async_ra+0x61c/0x710 mm/readahead.c:687
 do_async_mmap_readahead mm/filemap.c:3299 [inline]
 filemap_fault+0x564/0x1280 mm/filemap.c:3398
 __do_fault+0x1fc/0x4cc mm/memory.c:5169
 do_read_fault mm/memory.c:5590 [inline]
 do_fault mm/memory.c:5724 [inline]
 do_pte_missing mm/memory.c:4251 [inline]
 handle_pte_fault mm/memory.c:6069 [inline]
 __handle_mm_fault mm/memory.c:6212 [inline]
 handle_mm_fault+0x2c94/0x4d38 mm/memory.c:6381
 do_page_fault+0x57c/0x13cc arch/arm64/mm/fault.c:696
 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:789
 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:929
 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:481
 el1h_64_sync_handler+0x50/0xfc arch/arm64/kernel/entry-common.c:597
 el1h_64_sync+0x6c/0x70 arch/arm64/kernel/entry.S:591
 __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:169 [inline] (P)
 fault_in_readable+0x110/0x1c0 mm/gup.c:2227 (P)
 fault_in_iov_iter_readable+0x1a8/0x2c4 lib/iov_iter.c:94
 generic_perform_write+0x654/0x79c mm/filemap.c:4161
 shmem_file_write_iter+0x10c/0x134 mm/shmem.c:3467
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x62c/0x97c fs/read_write.c:686
 ksys_write+0x120/0x210 fs/read_write.c:738
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:746
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: b0053361 913c0021 aa1503e0 94033808 (d4210000) 
---[ end trace 0000000000000000 ]---