From: Will Mortensen willmo@gmail.com
[ Upstream commit 39f6eed4cb209643f3f8633291854ed7375d7264 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- net/netfilter/nf_flow_table_offload.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index a6b654b028dd4..d1862782be450 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -63,11 +63,11 @@ 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;