raw: 05ffd80000080815 ffff0000cc872258 fffffc0003e61988 ffff0000c352e868
raw: 0000000000000000 0000000000000000 0000000400000000 ffff0000cc870000
page dumped because: VM_BUG_ON_FOLIO(folio_mapped(folio))
------------[ cut here ]------------
kernel BUG at mm/filemap.c:153!
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : filemap_unaccount_folio+0x44c/0x4f0 mm/filemap.c:153
lr : filemap_unaccount_folio+0x44c/0x4f0 mm/filemap.c:153
sp : ffff8000216471f0
x29: ffff8000216471f0 x28: ffff800021647520 x27: 0000000000000000
x26: dfff800000000000 x25: ffff7000042c8e4c x24: 1fffff80007cc329
x8 : ffff0000f29d5400 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021646c38 x4 : ffff8000154a4e80 x3 : ffff800008541118
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000039
Call trace:
 filemap_unaccount_folio+0x44c/0x4f0 mm/filemap.c:153
 __filemap_remove_folio+0xc4/0x4fc mm/filemap.c:222
 filemap_remove_folio+0xd0/0x1c0 mm/filemap.c:255
 truncate_inode_folio+0x6c/0x84 mm/truncate.c:195
 shmem_undo_range+0x3c8/0x14a8 mm/shmem.c:942
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: b004b561 91080021 aa1303e0 94038293 (d4210000) 
---[ end trace 0000000000000000 ]---