From 8ca8d227646eb5aadd66ba003762ed08ca9c5a27 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Sat, 4 Nov 2017 08:27:14 -0700 Subject: [PATCH] pktgen: do not abuse IN6_ADDR_HSIZE pktgen accidentally used IN6_ADDR_HSIZE, instead of using the size of an IPv6 address. Since IN6_ADDR_HSIZE recently was increased from 16 to 256, this old bug is hitting us. Fixes: a1714a7db4a2 ("ipv6: addrconf: add per netns perturbation in inet6_addr_hash()") Signed-off-by: Eric Dumazet Reported-by: Dan Carpenter Signed-off-by: David S. Miller --- net/core/pktgen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 6e1e10ff433a5..e3fa53a07d34b 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2165,7 +2165,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev) + pkt_dev->pkt_overhead; } - for (i = 0; i < IN6_ADDR_HSIZE; i++) + for (i = 0; i < sizeof(struct in6_addr); i++) if (pkt_dev->cur_in6_saddr.s6_addr[i]) { set = 1; break; -- 2.39.5