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authorEric Dumazet <edumazet@google.com>2015-12-01 07:20:07 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-14 21:41:04 -0800
commit7a439c4a677039b91804b6779de18ddab6d6ebf9 (patch)
tree8531786b8d7fb021c8568173eb3021ce95d913ce
parenta9c680b65484ecb6d1d257f761b2f04e1d9e2d6e (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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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 17bef01b9aa3..3ec88be0faec 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -7375,6 +7375,13 @@ 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,
@@ -7384,7 +7391,7 @@ 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,