raw: 05ffd80000080015 ffff0000d0d84258 fffffc0003eb9f08 ffff0000d40ea2f8
raw: 0000000000000000 0000000000000000 0000000400000000 ffff0000d0d82000
page dumped because: VM_BUG_ON_FOLIO(folio_mapped(folio))
------------[ cut here ]------------
kernel BUG at mm/filemap.c:153!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4852 Comm: syz.2.183 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : filemap_unaccount_folio+0x464/0x50c mm/filemap.c:153
lr : filemap_unaccount_folio+0x464/0x50c mm/filemap.c:153
sp : ffff8000219e7040
x29: ffff8000219e7050 x28: 0000000000000000 x27: ffff8000219e7388
x26: dfff800000000000 x25: dfff800000000000 x24: 1fffe0001a81d45f
x23: ffff0000d40ea2f8 x22: ffff8000219e7120 x21: ffff70000433ce20
x20: ffff0000d40ea2f8 x19: fffffc0003ec2a40 x18: ffff8000219e6500
x17: 0000000000000000 x16: ffff800012325074 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008834cd8
x8 : ffff0000d7c01bc0 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000219e68b8 x4 : ffff800015b630e0 x3 : ffff800008585a08
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000039
Call trace:
 filemap_unaccount_folio+0x464/0x50c mm/filemap.c:153
 __filemap_remove_folio+0xc4/0x604 mm/filemap.c:222
 filemap_remove_folio+0xd4/0x1cc mm/filemap.c:255
 truncate_inode_folio+0x6c/0x84 mm/truncate.c:195
 shmem_undo_range+0x428/0x16b8 mm/shmem.c:942
 shmem_truncate_range mm/shmem.c:1062 [inline]
 shmem_evict_inode+0x200/0x8a8 mm/shmem.c:1171
 evict+0x418/0x894 fs/inode.c:701
 iput_final fs/inode.c:1830 [inline]
 iput+0x7c0/0x8a4 fs/inode.c:1856
 dentry_unlink_inode+0x37c/0x4bc fs/dcache.c:405
 __dentry_kill+0x324/0x5e4 fs/dcache.c:611
 dentry_kill+0xc8/0x250
 dput+0x218/0x454 fs/dcache.c:918
 __fput+0x488/0x7c8 fs/file_table.c:328
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x240/0x2f0 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132
 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+0x9c/0x168 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: f004ed81 91280021 aa1303e0 9403c366 (d4210000) 
---[ end trace 0000000000000000 ]---