From 6852c0f6b0f7a4ac666e1d174f366d003d31edb3 Mon Sep 17 00:00:00 2001 From: Patrik Flykt Date: Fri, 20 Oct 2017 11:59:15 +0300 Subject: [PATCH] sd-radv: Allocate space also for DNSSL iov option (#7144) The iov array needs to hold five entries in addition to the number of prefixes. --- src/libsystemd-network/sd-radv.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/libsystemd-network/sd-radv.c b/src/libsystemd-network/sd-radv.c index a3aa5c9c62..e4d12977cd 100644 --- a/src/libsystemd-network/sd-radv.c +++ b/src/libsystemd-network/sd-radv.c @@ -160,8 +160,9 @@ static int radv_send(sd_radv *ra, const struct in6_addr *dst, .nd_opt_mtu_type = ND_OPT_MTU, .nd_opt_mtu_len = 1, }; - /* Reserve iov space for RA header, linkaddr, MTU, N prefixes, RDNSS */ - struct iovec iov[4 + ra->n_prefixes]; + /* Reserve iov space for RA header, linkaddr, MTU, N prefixes, RDNSS + and DNSSL */ + struct iovec iov[5 + ra->n_prefixes]; struct msghdr msg = { .msg_name = &dst_addr, .msg_namelen = sizeof(dst_addr),