static void udf_put_super(struct super_block *sb)
{
	int i;
	struct udf_sb_info *sbi;

	sbi = UDF_SB(sb);

	if (sbi->s_vat_inode)
		iput(sbi->s_vat_inode);
	if (sbi->s_partitions)
		for (i = 0; i < sbi->s_partitions; i++)
			udf_free_partition(&sbi->s_partmaps[i]);
#ifdef CONFIG_UDF_NLS
	if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
		unload_nls(sbi->s_nls_map);
#endif
	if (!(sb->s_flags & MS_RDONLY))
		udf_close_lvid(sb);
	brelse(sbi->s_lvid_bh);
	kfree(sbi->s_partmaps);
	kfree(sb->s_fs_info);
	sb->s_fs_info = NULL;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.