On Mon, Sep 17, 2018 at 03:36:21PM +0200, Dmitry Vyukov wrote: > Hi, > > I am having some problem with upstream kernel and bpfilter. The > manifestation is that IPT_SO_GET_INFO on an ipv4 socket works, then > something (that I can't fully localize but can reproduce) happens and > then IPT_SO_GET_INFO starts permanently returning 256. ... > Now the litmus program always fails with: > > getsockopt(3, SOL_IP, 0x40 /* IP_??? */, > "filter\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., [84]) > = 256 > > I am currently on upstream commit > 28619527b8a712590c93d0a9e24b4425b9376a8c, my .config is attached. I > don't know what is bpfilter, I see it mentions some umh, if it > requires some additional setup I don't it, i.e. I don't install any > userspace modules/helpers. This looks similar to the fallback issue described here: https://bugzilla.suse.com/show_bug.cgi?id=1106751#c1 Unfortunately I didn't have time to look into it more closely yet. Michal Kubecek
