This is caused by commit ade446403bfb ("net: ipv4: do not handle duplicate fragments as overlapping"). I have a patch that fixes the test - waiting for net-next to reopen. Or maybe I should send it to net?
On Fri, Jan 4, 2019 at 9:10 AM Dan Rue <dan....@linaro.org> wrote: > > Hi! We've noticed selftests/net/ip_defrag.sh started failing on mainline > between v4.20-rc7-23-gab63e725b49c (good) and > v4.20-rc7-202-g1d51b4b1d3f2 (bad). Output looks like: > > selftests: net: ip_defrag.sh > ipv4 defrag > PASS > seed = 1545325420 > ipv4 defrag with overlaps > seed = 1545325421 > ./ip_defrag: recv: expected timeout; got 2272 > not ok 1..16 selftests: net: ip_defrag.sh [FAIL] > selftests: net_ip_defrag.sh [FAIL] > > I see a lot of net/ changes in the diff - we can bisect it if necessary > but wanted to see if anyone else had already investigated. > > Thanks, > Dan > > -- > Linaro - Kernel Validation