Commit f2affbd9 authored Mar 28, 2022 by Rico Ganahl Committed by Martí Bolívar Apr 13, 2022

os: lib: bin2hex: fix memory overwrite



Destination buffer size could be too small by one,
but null termination is still written. This could cause an
overwrite in contiguous memory without notice.

Signed-off-by: Rico Ganahl <rico.ganahl@bytesatwork.ch>

parent b53657a0

lib/os/hex.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -39,7 +39,7 @@ int hex2char(uint8_t x, char *c)

		size_t bin2hex(const uint8_t buf, size_t buflen, char hex, size_t hexlen)
		{
		if ((hexlen + 1) < buflen * 2) {
		if (hexlen < (buflen * 2 + 1)) {
		return 0;
		}

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