diff options
| author | Eric Dumazet <edumazet@google.com> | 2016-01-20 16:25:01 -0800 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2016-04-07 16:49:54 +0530 |
| commit | 8538ccf40b8c5c480ee232fa948164a0b4dc166b (patch) | |
| tree | 378deec07ee17962cc975160518cc5798df3dcaf /net/ipv4/inet_diag.c | |
| parent | 58281e63ffb4c31d120709a090086c2c151897f5 (diff) | |
net: diag: support v4mapped sockets in inet_diag_find_one_icsk()
Lorenzo reported that we could not properly find v4mapped sockets
in inet_diag_find_one_icsk(). This patch fixes the issue.
[cherry-pick of fc439d9489479411fbf9bbbec2c768df89e85503]
Change-Id: I13515e83fb76d4729f00047f9eb142c929390fb2
Reported-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Diffstat (limited to 'net/ipv4/inet_diag.c')
| -rw-r--r-- | net/ipv4/inet_diag.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 27c5fd5747d8..a403a676d452 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -361,13 +361,20 @@ struct sock *inet_diag_find_one_icsk(struct net *net, req->id.idiag_dport, req->id.idiag_src[0], req->id.idiag_sport, req->id.idiag_if); #if IS_ENABLED(CONFIG_IPV6) - else if (req->sdiag_family == AF_INET6) - sk = inet6_lookup(net, hashinfo, - (struct in6_addr *)req->id.idiag_dst, - req->id.idiag_dport, - (struct in6_addr *)req->id.idiag_src, - req->id.idiag_sport, - req->id.idiag_if); + else if (req->sdiag_family == AF_INET6) { + if (ipv6_addr_v4mapped((struct in6_addr *)req->id.idiag_dst) && + ipv6_addr_v4mapped((struct in6_addr *)req->id.idiag_src)) + sk = inet_lookup(net, hashinfo, req->id.idiag_dst[3], + req->id.idiag_dport, req->id.idiag_src[3], + req->id.idiag_sport, req->id.idiag_if); + else + sk = inet6_lookup(net, hashinfo, + (struct in6_addr *)req->id.idiag_dst, + req->id.idiag_dport, + (struct in6_addr *)req->id.idiag_src, + req->id.idiag_sport, + req->id.idiag_if); + } #endif else return ERR_PTR(-EINVAL); |