raw: 05ffd00000080017 fffffc0003815dc8 fffffc0003827e08 ffff0000d96a7508 raw: 0000000000000000 0000000000000000 0000000400000000 ffff0000c0938000 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: 4221 Comm: syz-executor168 Not tainted 6.1.67-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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 : ffff80001dc770c0 x29: ffff80001dc770d0 x28: ffff80001dc77408 x27: 0000000000000000 x26: 0000000000000000 x25: dfff800000000000 x24: 1fffe0001b2d4ea1 x23: ffff0000d96a7508 x22: ffff80001dc771a0 x21: ffff700003b8ee30 x20: ffff0000d96a7508 x19: fffffc0003815e00 x18: ffff80001dc76580 x17: 0000000000000000 x16: ffff800012141a14 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008835d38 x8 : ffff0000d63b1bc0 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001dc76938 x4 : ffff800015902aa0 x3 : ffff800008589028 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:196 shmem_undo_range+0x434/0x15d4 mm/shmem.c:942 shmem_truncate_range mm/shmem.c:1045 [inline] shmem_evict_inode+0x200/0x8a8 mm/shmem.c:1154 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1789 [inline] iput+0x7c0/0x8a4 fs/inode.c:1815 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:401 __dentry_kill+0x324/0x5e4 fs/dcache.c:607 dentry_kill+0xc8/0x250 dput+0x218/0x454 fs/dcache.c:913 __fput+0x4f4/0x7bc fs/file_table.c:328 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x240/0x2f0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2148/0x3474 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: b004de81 91018021 aa1303e0 9403c117 (d4210000) ---[ end trace 0000000000000000 ]---