F2FS-fs (loop1): Can't find valid F2FS filesystem in 2th superblock
F2FS-fs (loop1): Found nat_bits in checkpoint
F2FS-fs (loop1): Try to recover 2th superblock, ret: 0
F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
syz.1.175: attempt to access beyond end of device
loop1: rw=10241, sector=45096, nr_sectors = 8 limit=40427
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WARNING: lock held when returning to user space!
6.11.0-rc3-next-20240812-syzkaller #0 Not tainted
------------------------------------------------
syz.1.175/6158 is leaving the kernel with locks still held!
1 lock held by syz.1.175/6158:
 #0: ffff88807be94400 (&fi->i_gc_rwsem[READ]){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2196 [inline]
 #0: ffff88807be94400 (&fi->i_gc_rwsem[READ]){+.+.}-{3:3}, at: f2fs_ioc_start_atomic_write+0x2ed/0xac0 fs/f2fs/file.c:2163