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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I get a buffer overflow error with the current git version, when I run it on a linux kernel that has no ipv6 support (compiled glibc with stack smash protection). The reason is that ipv6_natt is 0 instead of -1 (default has changed recently). <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The patch below fixes the problem. In addition I get another buffer overflow message, which seems to happen inside of socket_default_socket.c in METHOD(socket_t, sender. As soon as I compile with –O0 everything is fine, so this might be a compiler bug (gcc is 4.5.4), but in case anyone has an idea how to really fix it, please let me know<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Gerald<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>--- a/src/libcharon/plugins/socket_default/socket_default_socket.c<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+++ b/src/libcharon/plugins/socket_default/socket_default_socket.c<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>@@ -623,6 +623,7 @@ static void open_socketpair(private_socket_default_socket_t *this, int family,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> *skt = open_socket(this, family, &this->port);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> if (*skt == -1)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ *skt_natt = -1 ;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> DBG1(DBG_NET, "could not open %s socket, %s disabled", label, label);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </span>}<o:p></o:p></p><p class=MsoNormal> else<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>