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https://bugs.gentoo.org/893252
https://github.com/monitoring-plugins/monitoring-plugins/issues/1836
https://github.com/monitoring-plugins/monitoring-plugins/commit/6d3e44d2d8395076060e9c741e9b173dc5d57b76
diff --git a/plugins/check_http.c b/plugins/check_http.c
index 5fa310f5d..8dda046ff 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -1462,7 +1462,13 @@ char *unchunk_content(const char *content) {
memcpy(result + (overall_size - size_of_chunk), start_of_chunk, size_of_chunk);
}
- result[overall_size] = '\0';
+ if (overall_size == 0 && result == NULL) {
+ // We might just have received the end chunk without previous content, so result is never allocated
+ result = calloc(1, sizeof(char));
+ // No error handling here, we can only return NULL anyway
+ } else {
+ result[overall_size] = '\0';
+ }
return result;
}
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