crypto: hisilicon/zip - replace 'sprintf' with 'scnprintf' (533b2079) · Commits · 戴 / test

Replace 'sprintf' with 'scnprintf' to avoid overrun. Signed-off-by:

drivers/crypto/hisilicon/zip/zip_main.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -428,7 +428,7 @@ static ssize_t hisi_zip_ctrl_debug_read(struct file filp, char __user buf,
		return -EINVAL;
		}
		spin_unlock_irq(&file->lock);
		ret = sprintf(tbuf, "%u\n", val);
		ret = scnprintf(tbuf, sizeof(tbuf), "%u\n", val);
		return simple_read_from_buffer(buf, count, pos, tbuf, ret);
		}

		@@ -518,9 +518,10 @@ static int hisi_zip_core_debug_init(struct hisi_qm *qm)

		for (i = 0; i < HZIP_CORE_NUM; i++) {
		if (i < HZIP_COMP_CORE_NUM)
		sprintf(buf, "comp_core%d", i);
		scnprintf(buf, sizeof(buf), "comp_core%d", i);
		else
		sprintf(buf, "decomp_core%d", i - HZIP_COMP_CORE_NUM);
		scnprintf(buf, sizeof(buf), "decomp_core%d",
		i - HZIP_COMP_CORE_NUM);

		regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
		if (!regset)