F2FS-fs (loop0): Found nat_bits in checkpoint
F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4
syz-executor306: attempt to access beyond end of device
loop0: rw=2049, sector=45096, nr_sectors = 64 limit=40427
================================================
WARNING: lock held when returning to user space!
6.11.0-rc3-next-20240812-syzkaller #0 Not tainted
------------------------------------------------
syz-executor306/5229 is leaving the kernel with locks still held!
1 lock held by syz-executor306/5229:
 #0: ffff8880473a18b0 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2196 [inline]
 #0: ffff8880473a18b0 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: f2fs_commit_atomic_write+0x105/0x1510 fs/f2fs/segment.c:388