F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
F2FS-fs (loop1): Unexpected flush for atomic writes: ino=10, npages=16
syz.1.2133: attempt to access beyond end of device
loop1: rw=2049, sector=45096, nr_sectors = 128 limit=40427
================================================
WARNING: lock held when returning to user space!
6.11.0-rc3-next-20240812-syzkaller #0 Not tainted
------------------------------------------------
syz.1.2133/13781 is leaving the kernel with locks still held!
1 lock held by syz.1.2133/13781:
 #0: ffff88805b0c0688 (&fi->i_gc_rwsem[READ]){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2196 [inline]
 #0: ffff88805b0c0688 (&fi->i_gc_rwsem[READ]){+.+.}-{3:3}, at: f2fs_ioc_start_atomic_write+0x2ed/0xac0 fs/f2fs/file.c:2163