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1From a804c04ddc8245fc8adf0e92368709639125e183 Mon Sep 17 00:00:00 2001
2From: Brad House <brad@brad-house.com>
3Date: Thu, 22 Feb 2024 16:23:33 -0500
4Subject: [PATCH] Merge pull request from GHSA-mg26-v6qh-x48q
5
6---
7 src/lib/ares__read_line.c | 8 ++++++++
8 1 file changed, 8 insertions(+)
9
10diff --git a/src/lib/ares__read_line.c b/src/lib/ares__read_line.c
11index c62ad2a..d6625a3 100644
12--- a/src/lib/ares__read_line.c
13+++ b/src/lib/ares__read_line.c
14@@ -49,6 +49,14 @@ int ares__read_line(FILE *fp, char **buf, size_t *bufsize)
15       if (!fgets(*buf + offset, bytestoread, fp))
16         return (offset != 0) ? 0 : (ferror(fp)) ? ARES_EFILE : ARES_EOF;
17       len = offset + strlen(*buf + offset);
18+
19+      /* Probably means there was an embedded NULL as the first character in
20+       * the line, throw away line */
21+      if (len == 0) {
22+        offset = 0;
23+        continue;
24+      }
25+
26       if ((*buf)[len - 1] == '\n')
27         {
28           (*buf)[len - 1] = 0;
29