From: Gabor Juhos <juhosg@openwrt.org>
Date: Wed, 3 Jun 2009 09:45:00 +0000 (+0000)
Subject: uClibc-0.9.30.1: fix possible NULL pointer dereference (closes #5242)
X-Git-Tag: reboot~23296
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=da4435f2e1c8e131da54d3cd8da91aaa5aa2eb3a;p=openwrt%2Fstaging%2Flynxis.git

uClibc-0.9.30.1: fix possible NULL pointer dereference (closes #5242)

SVN-Revision: 16304
---

diff --git a/toolchain/uClibc/patches-0.9.30.1/900-backport_fix_possible_null_ptr_dereference_in_getaddrinfo.patch b/toolchain/uClibc/patches-0.9.30.1/900-backport_fix_possible_null_ptr_dereference_in_getaddrinfo.patch
new file mode 100644
index 0000000000..62563ceb98
--- /dev/null
+++ b/toolchain/uClibc/patches-0.9.30.1/900-backport_fix_possible_null_ptr_dereference_in_getaddrinfo.patch
@@ -0,0 +1,11 @@
+--- a/libc/inet/getaddrinfo.c
++++ b/libc/inet/getaddrinfo.c
+@@ -187,6 +187,8 @@
+ 		}
+ 
+ 		for (runp = ifa; runp != NULL; runp = runp->ifa_next) {
++			if (runp->ifa_addr == NULL)
++				continue;
+ #if defined __UCLIBC_HAS_IPV4__
+ 			if (runp->ifa_addr->sa_family == PF_INET)
+ 				seen |= SEEN_IPV4;