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authorEric Dumazet <edumazet@google.com>2017-11-04 08:27:14 -0700
committerDavid S. Miller <davem@davemloft.net>2017-11-05 09:16:46 +0900
commitdf7e8e2e3e59fe29c24f09d7c3b68e732d661af3 (patch)
tree35487079bab6f5b1db6ada128c6361b285b20374 /net
parent0f04d057515275099c6e4f767b95a278be4681bf (diff)
downloadlinux-df7e8e2e3e59fe29c24f09d7c3b68e732d661af3.tar.gz
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: 3f27fb23219e ("ipv6: addrconf: add per netns perturbation in inet6_addr_hash()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/pktgen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 6e1e10ff433a..e3fa53a07d34 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;