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busybox: fix uninitialized memory when displaying IPv6 addresses

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After commit 8e74adab01
("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 <nbd@openwrt.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Felix Fietkau 2016-01-18 12:07:35 +01:00 committed by Denys Vlasenko
parent c30a5b1373
commit f2c043acfc
1 changed files with 1 additions and 0 deletions
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networking/interface.c
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@ -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;