From mboxrd@z Thu Jan 1 00:00:00 1970 From: pablo@netfilter.org Subject: [PATCH 1/5] ipvs: freeing uninitialized pointer on error Date: Sat, 9 Feb 2013 13:03:56 +0100 Message-ID: <1360411440-6526-2-git-send-email-pablo@netfilter.org> References: <1360411440-6526-1-git-send-email-pablo@netfilter.org> Cc: davem@davemloft.net, netdev@vger.kernel.org To: netfilter-devel@vger.kernel.org Return-path: In-Reply-To: <1360411440-6526-1-git-send-email-pablo@netfilter.org> Sender: netfilter-devel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Dan Carpenter If state != IP_VS_STATE_BACKUP then tinfo->buf is uninitialized. If kthread_run() fails then it means we free random memory resulting in an oops. Signed-off-by: Dan Carpenter Acked-by: Julian Anastasov Signed-off-by: Simon Horman --- net/netfilter/ipvs/ip_vs_sync.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index effa10c..44fd10c 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -1795,6 +1795,8 @@ int start_sync_thread(struct net *net, int state, char *mcast_ifn, __u8 syncid) GFP_KERNEL); if (!tinfo->buf) goto outtinfo; + } else { + tinfo->buf = NULL; } tinfo->id = id; -- 1.7.10.4