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Commit 602dd62d authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

ipv6: sctp: implement sctp_v6_destroy_sock() 



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: default avatarDmitry Vyukov <dvyukov@google.com>
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Acked-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 79aecc72

net/sctp/socket.c

+8 −1
Original line number Original line Diff line number Diff line
@@ -7379,6 +7379,13 @@ struct proto sctp_prot = { 




#if IS_ENABLED(CONFIG_IPV6)

#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 = {

struct proto sctpv6_prot = {

	.name		= "SCTPv6",

	.name		= "SCTPv6",

	.owner		= THIS_MODULE,

	.owner		= THIS_MODULE,
@@ -7388,7 +7395,7 @@ struct proto sctpv6_prot = { 
	.accept		= sctp_accept,

	.accept		= sctp_accept,

	.ioctl		= sctp_ioctl,

	.ioctl		= sctp_ioctl,

	.init		= sctp_init_sock,

	.init		= sctp_init_sock,

	.destroy	= sctp_destroy_sock,

	.destroy	= sctp_v6_destroy_sock,

	.shutdown	= sctp_shutdown,

	.shutdown	= sctp_shutdown,

	.setsockopt	= sctp_setsockopt,

	.setsockopt	= sctp_setsockopt,

	.getsockopt	= sctp_getsockopt,

	.getsockopt	= sctp_getsockopt,