Hello,
On Fri, 25 Jan 2013, Dan Carpenter wrote:
> 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.
Good catch. Simon, please apply!
Problem is in 3.5+ caused by commit f73181c828
(ipvs: add support for sync threads)
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Julian Anastasov <ja@xxxxxx>
> 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;
Regards
--
Julian Anastasov <ja@xxxxxx>
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