On Mon, Sep 14, 2020 at 06:12:34PM +0200, Jesper Dangaard Brouer wrote: > > On Mon, 14 Sep 2020 15:01:15 +0100 Will Deacon <w...@kernel.org> wrote: > > > Hi Ilias, > > > > On Mon, Sep 14, 2020 at 04:23:50PM +0300, Ilias Apalodimas wrote: > > > On Mon, Sep 14, 2020 at 03:35:04PM +0300, Ilias Apalodimas wrote: > > > > On Mon, Sep 14, 2020 at 01:20:43PM +0100, Will Deacon wrote: > > > > > On Mon, Sep 14, 2020 at 11:36:21AM +0300, Ilias Apalodimas wrote: > > > > > > Running the eBPF test_verifier leads to random errors looking like > > > > > > this: > > > > [...] > > > > > > > Any suggestion on any Fixes I should apply? The original code was > > > 'correct' and > > > broke only when bounded loops and their self-tests were introduced. > > > > Ouch, that's pretty bad as it means nobody is regression testing BPF on > > arm64 with mainline. Damn. > > Yes, it unfortunately seems that upstream is lacking BPF regression > testing for ARM64 :-( > > This bug surfaced when Red Hat QA tested our kernel backports, on > different archs.
Naresh from Linaro reported it during his tests on 5.8-rc1 as well [1]. I've included both Jiri and him on the v2 as reporters. [1] https://lkml.org/lkml/2020/8/11/58 > > -- > Best regards, > Jesper Dangaard Brouer > MSc.CS, Principal Kernel Engineer at Red Hat > LinkedIn: http://www.linkedin.com/in/brouer >
