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patches/uClibc/0.9.30.1/190-fix-getaddrinfo-NULL-pointer-dereference.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Nov 17 23:41:49 2009 +0100 (2009-11-17)
changeset 1641 fce0c507c9e5
permissions -rw-r--r--
libc/glibc: configure libc headers with support for 128-bit long double

At the headers install pass, there's no compiler to test for the size
of long double. Help it: we know that the compiler does support 128-bit
long double, in the IBM extended precision.

Kindly pointed out, and explained, by Mike FRYSINGER:
http://sourceware.org/ml/crossgcc/2009-11/msg00040.html
http://sourceware.org/ml/crossgcc/2009-11/msg00057.html
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diff -Narup uClibc-0.9.30.1.orig/libc/inet/getaddrinfo.c uClibc-0.9.30.1/libc/inet/getaddrinfo.c
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--- uClibc-0.9.30.1.orig/libc/inet/getaddrinfo.c	2009-02-26 21:49:14.000000000 +0900
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+++ uClibc-0.9.30.1/libc/inet/getaddrinfo.c	2009-03-06 00:59:23.000000000 +0900
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@@ -187,6 +187,8 @@ static unsigned __check_pf(void)
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 		}
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 		for (runp = ifa; runp != NULL; runp = runp->ifa_next) {
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+			if (runp->ifa_addr == NULL)
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+				continue;
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 #if defined __UCLIBC_HAS_IPV4__
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 			if (runp->ifa_addr->sa_family == PF_INET)
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 				seen |= SEEN_IPV4;
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