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authorEric Dumazet <edumazet@google.com>2015-12-01 07:20:07 -0800
committerSasha Levin <sasha.levin@oracle.com>2015-12-14 12:19:27 -0500
commit1ced23539f9809cbdb86eed9b9626495720530aa (patch)
tree3e78ae316768df74db41cbba00a3e5cdd9cf6c3d
parent18c103ad86330b59a9ea2f8de4ce73cbb36fa573 (diff)
ipv6: sctp: implement sctp_v6_destroy_sock()
[ Upstream commit 602dd62dfbda3e63a2d6a3cbde953ebe82bf5087 ] Dmitry Vyukov reported a memory leak using IPV6 SCTP sockets. We need to call inet6_destroy_sock() to properly release inet6 specific fields. Reported-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
-rw-r--r--net/sctp/socket.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 99e640c46ab2..fb082aa4d656 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -7393,6 +7393,13 @@ struct proto sctp_prot = {
#if IS_ENABLED(CONFIG_IPV6)
+#include <net/transp_v6.h>
+static void sctp_v6_destroy_sock(struct sock *sk)
+{
+ sctp_destroy_sock(sk);
+ inet6_destroy_sock(sk);
+}
+
struct proto sctpv6_prot = {
.name = "SCTPv6",
.owner = THIS_MODULE,
@@ -7402,7 +7409,7 @@ struct proto sctpv6_prot = {
.accept = sctp_accept,
.ioctl = sctp_ioctl,
.init = sctp_init_sock,
- .destroy = sctp_destroy_sock,
+ .destroy = sctp_v6_destroy_sock,
.shutdown = sctp_shutdown,
.setsockopt = sctp_setsockopt,
.getsockopt = sctp_getsockopt,