flags: 0x5ffc0000000413c(referenced|uptodate|dirty|lru|active|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc0000000413c fffffdffc39bb248 fffffdffc3ca3e48 ffff0000f802a5e0
raw: 0000000000000003 0000000000000009 00000003ffffffff ffff0000dc5a9900
page dumped because: VM_BUG_ON_FOLIO(!folio_test_locked(folio))
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1498!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6927 Comm: syz-executor Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : folio_unlock+0xfc/0x120 mm/filemap.c:1498
lr : folio_unlock+0xfc/0x120 mm/filemap.c:1498
sp : ffff8000a32f7510
x29: ffff8000a32f7510 x28: ffff0000f802a3f0 x27: ffff8000a32f7900
x26: ffff0000d778115c x25: ffff8000a32f7648 x24: 00003e0040000000
x23: fffffdffc36cbe80 x22: dfff800000000000 x21: dfff800000000000
x20: 05ffc0000000413c x19: fffffdffc36cbe80 x18: 00000000ffffffff
x17: 0000000000000000 x16: ffff80008aecb65c x15: 0000000000000001
x14: 1fffe000337dc8e2 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000337dc8e3 x10: 0000000000ff0100 x9 : 168cf8c415767b00
x8 : 168cf8c415767b00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000a32f6c18 x4 : ffff80008f727060 x3 : ffff8000807bef2c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000003f
Call trace:
 folio_unlock+0xfc/0x120 mm/filemap.c:1498 (P)
 f2fs_sync_node_pages+0x16bc/0x18d8 fs/f2fs/node.c:2081
 block_operations fs/f2fs/checkpoint.c:1276 [inline]
 f2fs_write_checkpoint+0xac8/0x1694 fs/f2fs/checkpoint.c:1638
 kill_f2fs_super+0x21c/0x584 fs/f2fs/super.c:5076
 deactivate_locked_super+0xc4/0x12c fs/super.c:474
 deactivate_super+0xe0/0x100 fs/super.c:507
 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1417
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1424
 task_work_run+0x1dc/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 do_notify_resume+0x16c/0x1ec arch/arm64/kernel/entry-common.c:151
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 el0_svc+0xb4/0x17c arch/arm64/kernel/entry-common.c:768
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: b0053141 91050021 aa1303e0 94032ff0 (d4210000) 
---[ end trace 0000000000000000 ]---