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net: Fix potential uninitialized use of variables in net_bind()
author
David Gibson
<david@gibson.dropbear.id.au>
Mon, 23 Sep 2013 11:37:01 +0000
(21:37 +1000)
committer
Rusty Russell
<rusty@rustcorp.com.au>
Tue, 24 Sep 2013 04:32:56 +0000
(14:02 +0930)
If the list of addrinfos give to net_bind() contains only IPv4 or only
IPv6 addresses, then the ipv4 and ipv6 variables may be used uninitialized.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
ccan/net/net.c
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diff --git
a/ccan/net/net.c
b/ccan/net/net.c
index eef28e2fd7100ed8f94179c8015c3cbc2dccd582..e84380fff96f27a885d05618a46b6d1d2d46cc2c 100644
(file)
--- a/
ccan/net/net.c
+++ b/
ccan/net/net.c
@@
-204,7
+204,8
@@
fail:
int net_bind(const struct addrinfo *addrinfo, int fds[2])
{
- const struct addrinfo *ipv6, *ipv4;
+ const struct addrinfo *ipv6 = NULL;
+ const struct addrinfo *ipv4 = NULL;
unsigned int num;
if (addrinfo->ai_family == AF_INET)