Re: arm64: fp-stress: BUG: KFENCE: memory corruption in fpsimd_release_task

From: Will Deacon
Date: Mon Jun 26 2023 - 10:42:12 EST


On Thu, May 25, 2023 at 07:21:24PM +0530, Naresh Kamboju wrote:
> On Tue, 23 May 2023 at 03:42, Mark Brown <broonie@xxxxxxxxxx> wrote:
> > On Tue, May 16, 2023 at 11:58:40AM +0530, Naresh Kamboju wrote:
> > > Test log links:
> > > ========
> > >
> > > - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.1.y/build/v6.1.28-240-gb82733c0ff99/testrun/17007082/suite/log-parser-test/test/check-kernel-kfence/log
> > > - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.1.y/build/v6.1.28-240-gb82733c0ff99/testrun/17007082/suite/log-parser-test/tests/
> > > - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.1.y/build/v6.1.28-240-gb82733c0ff99/testrun/17007268/suite/kselftest-arm64/tests/
> > >
> > > - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.3.y/build/v6.3.2-247-g5a952cfef67c/testrun/17015127/suite/log-parser-test/test/check-kernel-bug/log
> > > - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.3.y/build/v6.3.2-247-g5a952cfef67c/testrun/17015127/suite/log-parser-test/tests/
> > > - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.3.y/build/v6.3.2-247-g5a952cfef67c/testrun/17015127/suite/kselftest-arm64/tests/
> >
> > None of these seem to provide me with information like what kernel
> > config was used but I did manage to find
> >
> > https://storage.tuxsuite.com/public/linaro/lkft/builds/2Pq5NvLiBcWRMuy6lXftDVQMvca/config
> >
> > which might be it? Or one of them? However even trying to use that I'm
> > unable to reproduce issues with either the FVP or qemu.
>
> You got the right config file which we are using for testing
> FVP selftests.

Sadly, the config link above no longer works (404 file not found).

However, I notice that the failure still seems to occur with 6.4:

https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.4/testrun/17767612/suite/log-parser-test/tests/

Please can you point me at the config file for that run? I can't figure
out which one I need from the web interface.

Will