Message ID | 20091214223902.GA3784@verge.net.au |
---|---|
State | Not Applicable, archived |
Delegated to: | David Miller |
Headers | show |
Simon Horman wrote: > Make sure that any otherwise uninitialised fields of usvc are zero. > > This has been obvserved to cause a problem whereby the port of > fwmark services may end up as a non-zero value which causes > scheduling of a destination server to fail for persisitent services. > > As observed by Deon van der Merwe <dvdm@truteq.co.za>. > This fix suggested by Julian Anastasov <ja@ssi.bg>. > > For good measure also zero udest. > > Cc: Deon van der Merwe <dvdm@truteq.co.za> > Acked-by: Julian Anastasov <ja@ssi.bg> > Signed-off-by: Simon Horman <horms@verge.net.au> > > --- > > This bug has been present since the netlink interface to IPVS was > introduced in 2.6.28. I think it is relevant for 2.6.33 as well > as -stable. Applied, thanks. I'll push it to -stable as well. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Index: linux-2.6/net/netfilter/ipvs/ip_vs_ctl.c =================================================================== --- linux-2.6.orig/net/netfilter/ipvs/ip_vs_ctl.c 2009-12-11 14:22:23.000000000 +0900 +++ linux-2.6/net/netfilter/ipvs/ip_vs_ctl.c 2009-12-14 11:05:50.000000000 +0900 @@ -2714,6 +2714,8 @@ static int ip_vs_genl_parse_service(stru if (!(nla_af && (nla_fwmark || (nla_port && nla_protocol && nla_addr)))) return -EINVAL; + memset(usvc, 0, sizeof(*usvc)); + usvc->af = nla_get_u16(nla_af); #ifdef CONFIG_IP_VS_IPV6 if (usvc->af != AF_INET && usvc->af != AF_INET6) @@ -2901,6 +2903,8 @@ static int ip_vs_genl_parse_dest(struct if (!(nla_addr && nla_port)) return -EINVAL; + memset(udest, 0, sizeof(*udest)); + nla_memcpy(&udest->addr, nla_addr, sizeof(udest->addr)); udest->port = nla_get_u16(nla_port);