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Commit b4c4b957 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "dwc3: debugfs: Add check for length before copy data from userspace"

parents 769a6947 ebcbb527

drivers/usb/dwc3/debugfs.c

+1 −1
Original line number Diff line number Diff line
@@ -634,7 +634,7 @@ static ssize_t dwc3_store_ep_num(struct file *file, const char __user *ubuf, 
	unsigned int		num, dir, temp;

	unsigned long		flags;



	if (copy_from_user(kbuf, ubuf, count > 10 ? 10 : count))

	if (copy_from_user(kbuf, ubuf, min_t(size_t, sizeof(kbuf) - 1, count)))

		return -EFAULT;



	if (sscanf(kbuf, "%u %u", &num, &dir) != 2)