F2FS-fs (loop4): invalid crc value
F2FS-fs (loop4): Found nat_bits in checkpoint
F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
syz.4.259: attempt to access beyond end of device
loop4: rw=2049, 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.4.259/6849 is leaving the kernel with locks still held!
1 lock held by syz.4.259/6849:
 #0: ffff88806546b308 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2196 [inline]
 #0: ffff88806546b308 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: f2fs_commit_atomic_write+0x105/0x1510 fs/f2fs/segment.c:388