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authorWill Mortensen <willmo@gmail.com>2021-11-06 18:28:21 -0700
committerPablo Neira Ayuso <pablo@netfilter.org>2021-11-08 12:14:05 +0100
commit39f6eed4cb209643f3f8633291854ed7375d7264 (patch)
tree061bd156f8eeaeda57df634158880f55dc583fbd /net/netfilter/nf_flow_table_offload.c
parentnetfilter: xt_IDLETIMER: replace snprintf in show functions with sysfs_emit (diff)
downloadlinux-dev-39f6eed4cb209643f3f8633291854ed7375d7264.tar.xz
linux-dev-39f6eed4cb209643f3f8633291854ed7375d7264.zip
netfilter: flowtable: fix IPv6 tunnel addr match
Previously the IPv6 addresses in the key were clobbered and the mask was left unset. I haven't tested this; I noticed it while skimming the code to understand an unrelated issue. Fixes: cfab6dbd0ecf ("netfilter: flowtable: add tunnel match offload support") Cc: wenxu <wenxu@ucloud.cn> Signed-off-by: Will Mortensen <willmo@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to '')
-rw-r--r--net/netfilter/nf_flow_table_offload.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index d6bf1b2cd541..b561e0a44a45 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -65,11 +65,11 @@ static void nf_flow_rule_lwt_match(struct nf_flow_match *match,
sizeof(struct in6_addr));
if (memcmp(&key->enc_ipv6.src, &in6addr_any,
sizeof(struct in6_addr)))
- memset(&key->enc_ipv6.src, 0xff,
+ memset(&mask->enc_ipv6.src, 0xff,
sizeof(struct in6_addr));
if (memcmp(&key->enc_ipv6.dst, &in6addr_any,
sizeof(struct in6_addr)))
- memset(&key->enc_ipv6.dst, 0xff,
+ memset(&mask->enc_ipv6.dst, 0xff,
sizeof(struct in6_addr));
enc_keys |= BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS);
key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;