From: Nathan Wagner <nw@hydaspes.if.org>
Date: Sat, 6 Oct 2018 17:56:04 +0000 (+0000)
Subject: fix potential use after free
X-Git-Tag: v0.2.0~6
X-Git-Url: https://pd.if.org/git/?p=zpackage;a=commitdiff_plain;h=34c41d71027a3e94c1f613baeea2e74e038e0108

fix potential use after free
---

diff --git a/lib/zpm.c b/lib/zpm.c
index 5059447..87ffbbb 100644
--- a/lib/zpm.c
+++ b/lib/zpm.c
@@ -333,6 +333,8 @@ static void zpm_set_db_errmsg(struct zpm *zpm, const char *msg) {
 			if (!zpm->dberrmsg) {
 				zpm->error = 1;
 			}
+		} else {
+			zpm->dberrmsg = 0;
 		}
 	}
 }
@@ -357,7 +359,7 @@ int zpm_init(struct zpm *pkg, char *path) {
 			sqlite3_close(db);
 		}
 		fprintf(stderr, "error (%d): %s: %s\n", rc,
-				pkg->dberrmsg, path);
+				pkg->dberrmsg ? pkg->dberrmsg : "null", path);
 
 		return 0;
 	}