From: "Gustavo A. R. Silva" gustavo@embeddedor.com
[ Upstream commit f87d8ad9233f115db92c6c087d58403b0009ed36 ]
There is a memory leak in case genlmsg_put fails.
Fix this by freeing *args* before return.
Addresses-Coverity-ID: 1476406 ("Resource leak") Fixes: 46273cf7e009 ("tipc: fix a missing check of genlmsg_put") Signed-off-by: Gustavo A. R. Silva gustavo@embeddedor.com Acked-by: Ying Xue ying.xue@windriver.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- net/tipc/netlink_compat.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index fab0384d2b4b3..b4860084a8f56 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -983,8 +983,10 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock)
hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI, TIPC_NL_PUBL_GET); - if (!hdr) + if (!hdr) { + kfree_skb(args); return -EMSGSIZE; + }
nest = nla_nest_start(args, TIPC_NLA_SOCK); if (!nest) {