raw: 05ffd80000080015 ffff0000d1e12258 fffffc0003d532c8 ffff0000cee2af98
raw: 0000000000000000 0000000000000000 0000000400000000 ffff0000d1e10000
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: 1 PID: 5836 Comm: syz.3.449 Not tainted 6.1.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 : ffff800020f27140
x29: ffff800020f27150 x28: ffff800020f274c0 x27: dfff800000000000
x26: ffff7000041e4e3c x25: 0000000000000001 x24: ffff800020f274c0
x23: ffff800020f27200 x22: ffff0000cee2af98 x21: fffffc0003e72ed8
x20: ffff0000cee2af98 x19: fffffc0003e72ec0 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082e7444 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100
x11: ff008000087ad614 x10: 0000000000000000 x9 : ffff8000087ad614
x8 : ffff0000daa61bc0 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020f26b78 x4 : ffff800015154740 x3 : ffff80000852ded4
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000039
Call trace:
 filemap_unaccount_folio+0x464/0x50c mm/filemap.c:153
 __filemap_remove_folio+0xc0/0x4d4 mm/filemap.c:222
 filemap_remove_folio+0xcc/0x1bc mm/filemap.c:255
 truncate_inode_folio+0x6c/0x84 mm/truncate.c:195
 shmem_undo_range+0x400/0x1610 mm/shmem.c:942
 shmem_truncate_range mm/shmem.c:1062 [inline]
 shmem_evict_inode+0x204/0x8a0 mm/shmem.c:1171
 evict+0x3c8/0x810 fs/inode.c:705
 iput_final fs/inode.c:1834 [inline]
 iput+0x764/0x7f4 fs/inode.c:1860
 dentry_unlink_inode+0x360/0x438 fs/dcache.c:405
 __dentry_kill+0x320/0x598 fs/dcache.c:611
 dentry_kill+0xc8/0x248 fs/dcache.c:-1
 dput+0x238/0x454 fs/dcache.c:918
 __fput+0x480/0x7c0 fs/file_table.c:328
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x1ec/0x270 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x1f70/0x2b0c arch/arm64/kernel/signal.c:1137
 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+0x98/0x138 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: 9004a141 911c0021 aa1303e0 94037abd (d4210000) 
---[ end trace 0000000000000000 ]---