patches/uClibc/0.9.30.1/190-fix-getaddrinfo-NULL-pointer-dereference.patch
author Yann Diorcet <diorcet.yann@gmail.com>
Thu Nov 22 23:56:58 2012 +0100 (2012-11-22)
changeset 3131 bd172b161ff8
permissions -rw-r--r--
cc: add a flag for skipping core passes

It is used for skipping unnecessary compilation steps when the libc
doesn't need to be compiled (eg. when we do not use a C library).

Signed-off-by: Yann Diorcet <diorcet.yann@gmail.com>
Message-Id: <150eadb0117e697d79aa.1353625025@blackmint>
Patchwork-Id: 201222
rdkehn@1640
     1
diff -Narup uClibc-0.9.30.1.orig/libc/inet/getaddrinfo.c uClibc-0.9.30.1/libc/inet/getaddrinfo.c
rdkehn@1640
     2
--- uClibc-0.9.30.1.orig/libc/inet/getaddrinfo.c	2009-02-26 21:49:14.000000000 +0900
rdkehn@1640
     3
+++ uClibc-0.9.30.1/libc/inet/getaddrinfo.c	2009-03-06 00:59:23.000000000 +0900
rdkehn@1640
     4
@@ -187,6 +187,8 @@ static unsigned __check_pf(void)
rdkehn@1640
     5
 		}
rdkehn@1640
     6
 
rdkehn@1640
     7
 		for (runp = ifa; runp != NULL; runp = runp->ifa_next) {
rdkehn@1640
     8
+			if (runp->ifa_addr == NULL)
rdkehn@1640
     9
+				continue;
rdkehn@1640
    10
 #if defined __UCLIBC_HAS_IPV4__
rdkehn@1640
    11
 			if (runp->ifa_addr->sa_family == PF_INET)
rdkehn@1640
    12
 				seen |= SEEN_IPV4;