getaddrinfo of uClibc-0.9.3

Tomoyoshi ASANO asa at lineo.co.jp
Sun Dec 7 22:36:33 UTC 2008


Hello,

I have SEGV at busybox's telnet with uClibc-0.9.30.
It seem the current uClibc-trunk has the same problem.

diff -Nru uClibc-0.9.30.orig/libc/inet/getaddrinfo.c uClibc-0.9.30/libc/inet/getaddrinfo.c
--- uClibc-0.9.30.orig/libc/inet/getaddrinfo.c  2008-10-29 01:25:10.000000000 +0900
+++ uClibc-0.9.30/libc/inet/getaddrinfo.c       2008-12-08 06:52:48.000000000 +0900
@@ -186,7 +186,7 @@
                        return seen;
                }

-               for (runp = ifa; runp != NULL; runp = runp->ifa_next)
+               for (runp = ifa; runp != NULL; runp = runp->ifa_next) {
 #if defined __UCLIBC_HAS_IPV4__
                        if (runp->ifa_addr->sa_family == PF_INET)
                                seen |= SEEN_IPV4;
@@ -195,6 +195,7 @@
                        if (runp->ifa_addr->sa_family == PF_INET6)
                                seen |= SEEN_IPV6;
 #endif /* __UCLIBC_HAS_IPV6__ */
+               }

                freeifaddrs(ifa);
        }

Thanks,
-- Tom




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