dnsmasq/SOURCES/dnsmasq-2.79-rh1602477-2.patch

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2020-06-09 19:23:34 +00:00
From dcb4fa04548ab2364f662b735be86e275bd50745 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
Date: Fri, 19 Jul 2019 14:00:08 +0200
Subject: [PATCH] Remove warnings in coverity
Change in dnsmasq should never occur, because ent_pw would not change.
But keep Coverity happy and prevent logic error. Second change avoids
warning from compiler.
---
src/dnsmasq.c | 9 ++++++++-
src/option.c | 2 +-
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/src/dnsmasq.c b/src/dnsmasq.c
index ce44809..2984f55 100644
--- a/src/dnsmasq.c
+++ b/src/dnsmasq.c
@@ -608,7 +608,14 @@ int main (int argc, char **argv)
if (ent_pw && ent_pw->pw_uid != 0)
{
-#if defined(HAVE_LINUX_NETWORK)
+#if defined(HAVE_LINUX_NETWORK)
+ if (!hdr || !data)
+ {
+ /* Just failsafe for logic errors */
+ send_event(err_pipe[1], EVENT_CAP_ERR, ENOMEM, NULL);
+ _exit(0);
+ }
+
/* On linux, we keep CAP_NETADMIN (for ARP-injection) and
CAP_NET_RAW (for icmp) if we're doing dhcp. If we have yet to bind
ports because of DAD, or we're doing it dynamically,
diff --git a/src/option.c b/src/option.c
index 9768efb..b12183b 100644
--- a/src/option.c
+++ b/src/option.c
@@ -4255,7 +4255,7 @@ err:
struct name_list *nl;
if (!canon)
{
- struct name_list *tmp = new->names, *next;
+ struct name_list *tmp, *next;
for (tmp = new->names; tmp; tmp = next)
{
next = tmp->next;
--
2.20.1