X-Git-Url: https://git.decadent.org.uk/gitweb/?p=odhcp6c.git;a=blobdiff_plain;f=src%2Fodhcp6c.c;h=b5665ee54283d1598a55fe572171f5b376fd74c1;hp=6a1d1b4bdcc2caae05a79bfeda822f9339c1304d;hb=466f939ce9f5667dd7d70a72bed9769ed0b4d588;hpb=bb73c7c3709076395a61d6807748c37e07822c57

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index 6a1d1b4..b5665ee 100644
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -317,6 +317,8 @@ static uint8_t* odhcp6c_resize_state(enum odhcp6c_state state, ssize_t len)
 {
 	if (len == 0)
 		return state_data[state] + state_len[state];
+	else if (state_len[state] + len > 1024)
+		return NULL;
 
 	uint8_t *n = realloc(state_data[state], state_len[state] + len);
 	if (n || state_len[state] + len == 0) {