Fixed double-free of config->filenames (heap corruption)

25629dc1 · Mark Lindner · 5ea44621 · 25629dc1
Commit 25629dc1 authored Jun 19, 2021 by Mark Lindner
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lib/libconfig.c lib/libconfig.c +2 -0

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--- a/lib/libconfig.c
+++ b/lib/libconfig.c
@@ -731,7 +731,9 @@ void config_clear(config_t *config)
 {
  /* Destroy the root setting (recursively) and then create a new one. */
  __config_setting_destroy(config->root);
+
  libconfig_strvec_delete(config->filenames);
+  config->filenames = NULL;

  config->root = __new(config_setting_t);
  config->root->type = CONFIG_TYPE_GROUP;