On Thu, Nov 12, 2020 at 12:06 AM CET, Daniel Borkmann wrote: [...] >>> I'm not initimately familiar with this test, but looking at the change >>> I'd consider that Destinations Options and encapsulation headers can >>> follow the Fragment Header. >>> >>> With enough of Dst Opts or levels of encapsulation, transport header >>> could be pushed to the 2nd fragment. So I'm not sure if the assertion >>> from the IPv4 dissector that 2nd fragment and following doesn't contain >>> any parseable header holds. > > Hm, staring at rfc8200, it says that the first fragment packet must include > the upper-layer header (e.g. tcp, udp). The patch here should probably add a > comment wrt to the rfc. You're right, it clearly says so. Nevermind my worries about malformed packets then. Change LGTM: Reviewed-by: Jakub Sitnicki <jakub@xxxxxxxxxxxxxx>
