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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Tue, 24 Jan 2023 15:22:35 +0530
Message-ID: <CA+G9fYuH9vUTHjtByq184N2dNuquT1Z02JDRh2GYFR96weZcFA@mail.gmail.com>
Subject: Re: [PATCH 5.15 000/117] 5.15.90-rc2 review
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     stable@vger.kernel.org, patches@lists.linux.dev,
        linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
        akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org,
        patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de,
        jonathanh@nvidia.com, f.fainelli@gmail.com,
        sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de
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On Mon, 23 Jan 2023 at 15:22, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.15.90 release.
> There are 117 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Wed, 25 Jan 2023 09:48:53 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-=
5.15.90-rc2.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable=
-rc.git linux-5.15.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h


Results from Linaro=E2=80=99s test farm.
Regressions found on arm64 for both 5.15.90-rc2 and 5.10.165-rc2.

* qemu-arm64-mte, kselftest-arm64
  - arm64_check_buffer_fill
  - arm64_check_child_memory
  - arm64_check_ksm_options
  - arm64_check_mmap_options
  - arm64_check_tags_inclusion

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

We are in a process to bisecting this problem and there are updates coming
from kselftest rootfs.

Test logs,
# selftests: arm64: check_buffer_fill
# 1..20
# ok 1 Check buffer correctness by byte with sync err mode and mmap memory
# ok 2 Check buffer correctness by byte with async err mode and mmap memory
# ok 3 Check buffer correctness by byte with sync err mode and
mmap/mprotect memory
# ok 4 Check buffer correctness by byte with async err mode and
mmap/mprotect memory
# not ok 5 Check buffer write underflow by byte with sync mode and mmap mem=
ory
# not ok 6 Check buffer write underflow by byte with async mode and mmap me=
mory
# ok 7 Check buffer write underflow by byte with tag check fault
ignore and mmap memory
# ok 8 Check buffer write underflow by byte with sync mode and mmap memory
# ok 9 Check buffer write underflow by byte with async mode and mmap memory
# ok 10 Check buffer write underflow by byte with tag check fault
ignore and mmap memory
# not ok 11 Check buffer write overflow by byte with sync mode and mmap mem=
ory
# not ok 12 Check buffer write overflow by byte with async mode and mmap me=
mory
# ok 13 Check buffer write overflow by byte with tag fault ignore mode
and mmap memory
# not ok 14 Check buffer write correctness by block with sync mode and
mmap memory
# not ok 15 Check buffer write correctness by block with async mode
and mmap memory
# ok 16 Check buffer write correctness by block with tag fault ignore
and mmap memory
# ok 17 Check initial tags with private mapping, sync error mode and mmap m=
emory
# ok 18 Check initial tags with private mapping, sync error mode and
mmap/mprotect memory
# ok 19 Check initial tags with shared mapping, sync error mode and mmap me=
mory
# ok 20 Check initial tags with shared mapping, sync error mode and
mmap/mprotect memory
# # Totals: pass:14 fail:6 xfail:0 xpass:0 skip:0 error:0
not ok 34 selftests: arm64: check_buffer_fill # exit=3D1


# selftests: arm64: check_child_memory
# 1..12
# not ok 1 Check child anonymous memory with private mapping, precise
mode and mmap memory
# not ok 2 Check child anonymous memory with shared mapping, precise
mode and mmap memory
# not ok 3 Check child anonymous memory with private mapping,
imprecise mode and mmap memory
# not ok 4 Check child anonymous memory with shared mapping, imprecise
mode and mmap memory
# not ok 5 Check child anonymous memory with private mapping, precise
mode and mmap/mprotect memory
# not ok 6 Check child anonymous memory with shared mapping, precise
mode and mmap/mprotect memory
# not ok 7 Check child file memory with private mapping, precise mode
and mmap memory
# not ok 8 Check child file memory with shared mapping, precise mode
and mmap memory
# not ok 9 Check child file memory with private mapping, imprecise
mode and mmap memory
# not ok 10 Check child file memory with shared mapping, imprecise
mode and mmap memory
# not ok 11 Check child file memory with private mapping, precise mode
and mmap/mprotect memory
# not ok 12 Check child file memory with shared mapping, precise mode
and mmap/mprotect memory
# # Totals: pass:0 fail:12 xfail:0 xpass:0 skip:0 error:0
not ok 35 selftests: arm64: check_child_memory # exit=3D1

# selftests: arm64: check_ksm_options
# 1..4
# # Invalid MTE synchronous exception caught!
not ok 37 selftests: arm64: check_ksm_options # exit=3D1


# selftests: arm64: check_mmap_options
# 1..22
# ok 1 Check anonymous memory with private mapping, sync error mode,
mmap memory and tag check off
# ok 2 Check file memory with private mapping, sync error mode,
mmap/mprotect memory and tag check off
# ok 3 Check anonymous memory with private mapping, no error mode,
mmap memory and tag check off
# ok 4 Check file memory with private mapping, no error mode,
mmap/mprotect memory and tag check off
# not ok 5 Check anonymous memory with private mapping, sync error
mode, mmap memory and tag check on
# not ok 6 Check anonymous memory with private mapping, sync error
mode, mmap/mprotect memory and tag check on
# not ok 7 Check anonymous memory with shared mapping, sync error
mode, mmap memory and tag check on
# not ok 8 Check anonymous memory with shared mapping, sync error
mode, mmap/mprotect memory and tag check on
# not ok 9 Check anonymous memory with private mapping, async error
mode, mmap memory and tag check on
# not ok 10 Check anonymous memory with private mapping, async error
mode, mmap/mprotect memory and tag check on
# not ok 11 Check anonymous memory with shared mapping, async error
mode, mmap memory and tag check on
# not ok 12 Check anonymous memory with shared mapping, async error
mode, mmap/mprotect memory and tag check on
# not ok 13 Check file memory with private mapping, sync error mode,
mmap memory and tag check on
# not ok 14 Check file memory with private mapping, sync error mode,
mmap/mprotect memory and tag check on
# not ok 15 Check file memory with shared mapping, sync error mode,
mmap memory and tag check on
# not ok 16 Check file memory with shared mapping, sync error mode,
mmap/mprotect memory and tag check on
# not ok 17 Check file memory with private mapping, async error mode,
mmap memory and tag check on
# not ok 18 Check file memory with private mapping, async error mode,
mmap/mprotect memory and tag check on
# not ok 19 Check file memory with shared mapping, async error mode,
mmap memory and tag check on
# not ok 20 Check file memory with shared mapping, async error mode,
mmap/mprotect memory and tag check on
# not ok 21 Check clear PROT_MTE flags with private mapping, sync
error mode and mmap memory
# not ok 22 Check clear PROT_MTE flags with private mapping and sync
error mode and mmap/mprotect memory
# # Totals: pass:4 fail:18 xfail:0 xpass:0 skip:0 error:0
not ok 38 selftests: arm64: check_mmap_options # exit=3D1


# selftests: arm64: check_tags_inclusion
# 1..4
# # No valid fault recorded for 0x500ffffb8b27000 in mode 1
# not ok 1 Check an included tag value with sync mode
# # No valid fault recorded for 0x400ffffb8b27000 in mode 1
# not ok 2 Check different included tags value with sync mode
# ok 3 Check none included tags value with sync mode
# # No valid fault recorded for 0xa00ffffb8b27000 in mode 1
# not ok 4 Check all included tags value with sync mode
# # Totals: pass:1 fail:3 xfail:0 xpass:0 skip:0 error:0
not ok 40 selftests: arm64: check_tags_inclusion # exit=3D1

Test logs,
https://lkft.validation.linaro.org/scheduler/job/6087664#L4865
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.10.y/build/v5.10=
.162-951-g9096aabfe9e0/testrun/14329777/suite/kselftest-arm64/test/arm64_ch=
eck_tags_inclusion/log
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.10.y/build/v5.10=
.162-951-g9096aabfe9e0/testrun/14329777/suite/kselftest-arm64/tests/
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15=
.87-219-g60931c95bb6d/testrun/14329656/suite/kselftest-arm64/tests/

--
Linaro LKFT
https://lkft.linaro.org