From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Date: Sat, 4 Oct 2014 22:18:02 +0800 > bridge: Do not compile options in br_parse_ip_options > > Commit 462fb2af9788a82a534f8184abfde31574e1cfa0 > > bridge : Sanitize skb before it enters the IP stack > > broke when IP options are actually used because it mangles the > skb as if it entered the IP stack which is wrong because the > bridge is supposed to operate below the IP stack. > > Since nobody has actually requested for parsing of IP options > this patch fixes it by simply reverting to the previous approach > of ignoring all IP options, i.e., zeroing the IPCB. > > If and when somebody who uses IP options and actually needs them > to be parsed by the bridge complains then we can revisit this. > > Reported-by: David Newall <davidn@xxxxxxxxxxxxxxx> > Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Agreed that mangling the packet is definitely wrong here, and since you preserve the CB clearing this change should be fine. Please submit this formally after it's been tested. Thanks. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
