From: Denis Kirjanov <kirjanov@gmail.com>
Date: Wed, 13 Nov 2024 10:53:49 +0000 (+0300)
Subject: lib: names: check calloc return value in db_names_alloc
X-Git-Tag: v6.12.0~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=225f74761b091e51444cf1f9686547f3c42e44b3;p=thirdparty%2Fiproute2.git

lib: names: check calloc return value in db_names_alloc

db_names_load() may crash since it touches the
hash member. Fix it by checking the return value

Signed-off-by: Denis Kirjanov <kirjanov@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/lib/names.c b/lib/names.c
index cbfa971f..4ecae92b 100644
--- a/lib/names.c
+++ b/lib/names.c
@@ -55,6 +55,10 @@ struct db_names *db_names_alloc(void)
 
 	db->size = MAX_ENTRIES;
 	db->hash = calloc(db->size, sizeof(struct db_entry *));
+	if (!db->hash) {
+		free(db);
+		return NULL;
+	}
 
 	return db;
 }