From: Felix Fietkau Date: Mon, 18 Jan 2016 11:07:35 +0000 (+0100) Subject: busybox: fix uninitialized memory when displaying IPv6 addresses X-Git-Tag: 1_25_0~131 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=f2c043acfcf9dad9fd3d65821b81f89986bbe54e;p=oweals%2Fbusybox.git busybox: fix uninitialized memory when displaying IPv6 addresses After commit 8e74adab0107658e3dc04ed342206272a284f43e ("libbb: make INET[6]_rresolve use sockaddr2{host,dotted}_noport") INET_sprint6 uses more than just sin6_addr, it also tries to display the scope id, which is uninitialized when called from ife_print6. Signed-off-by: Felix Fietkau Signed-off-by: Denys Vlasenko --- diff --git a/networking/interface.c b/networking/interface.c index 24bd13c57..e5723b428 100644 --- a/networking/interface.c +++ b/networking/interface.c @@ -881,6 +881,7 @@ static void ife_print6(struct interface *ptr) sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s", addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4], addr6p[5], addr6p[6], addr6p[7]); + memset(&sap, 0, sizeof(sap)); inet_pton(AF_INET6, addr6, (struct sockaddr *) &sap.sin6_addr); sap.sin6_family = AF_INET6;