lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 8 Mar 2013 10:47:26 +0800 From: Herbert Xu <herbert@...dor.apana.org.au> To: Cong Wang <amwang@...hat.com> Cc: netdev@...r.kernel.org, bridge@...ts.linux-foundation.org, Stephen Hemminger <stephen@...workplumber.org>, "David S. Miller" <davem@...emloft.net>, Adam Baker <linux@...er-net.org.uk> Subject: Re: [Patch net] bridge: do not expire mdb entry when bridge still uses it On Fri, Mar 08, 2013 at 10:44:06AM +0800, Cong Wang wrote: > > This is a good question. It is due to inside br_handle_frame_finish() we > use 'skb2' to decide if we deliver packets to bridge itself, and in this > case 'skb2' is non-NULL only when: > > if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { > if ((mdst && mdst->mglist) || > br_multicast_is_router(br)) > skb2 = skb; // <======== HERE > br_multicast_forward(mdst, skb, skb2); > > For other ports, br_multicast_forward() will always forward 'skb' to > them. Yes but the point is that other ports should also expire after the timeout and thus be removed from mdst. So why is this only happening for the bridge aka mdst->mglist? Thanks, -- Email: Herbert Xu <herbert@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists