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SubjectRe: [PATCH 5.5 000/171] 5.5.14-rc2 review
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On 4/1/20 8:11 AM, Greg Kroah-Hartman wrote:
> On Wed, Apr 01, 2020 at 04:18:41AM +0530, Naresh Kamboju wrote:
>> On Tue, 31 Mar 2020 at 21:02, Greg Kroah-Hartman
>> <gregkh@linuxfoundation.org> wrote:
>>>
>>> This is the start of the stable review cycle for the 5.5.14 release.
>>> There are 171 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 Thu, 02 Apr 2020 14:12:02 +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-5.5.14-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-5.5.y
>>> and the diffstat can be found below.
>>>
>>> thanks,
>>>
>>> greg k-h
>>
>> Results from Linaro’s test farm.
>> Regressions on x86_64 and i386.
>>
>> selftests bpf test_verifier reports as failed.
>> This test PASSED on v5.5.13
>>
>> #554/p jgt32: range bound deduction, reg op imm FAIL
>> Failed to load prog 'Success'!
>> R8 unbounded memory access, make sure to bounds check any array access
>> into a map
>> verification time 141 usec
>> stack depth 8
>> processed 16 insns (limit 1000000) max_states_per_insn 0 total_states
>> 1 peak_states 1 mark_read 1
>> #555/p jgt32: range bound deduction, reg1 op reg2, reg1 unknown FAIL
>> Failed to load prog 'Success'!
>> R8 unbounded memory access, make sure to bounds check any array access
>> into a map
>> verification time 94 usec
>> stack depth 8
>> processed 17 insns (limit 1000000) max_states_per_insn 0 total_states
>> 1 peak_states 1 mark_read 1
>> #556/p jle32: range bound deduction, reg1 op reg2, reg2 unknown FAIL
>> Failed to load prog 'Success'!
>> R8 unbounded memory access, make sure to bounds check any array access
>> into a map
>> verification time 68 usec
>> stack depth 8
>> processed 17 insns (limit 1000000) max_states_per_insn 0 total_states
>> 1 peak_states 1 mark_read 1
>
> Can you run 'git bisect' to find the offending patch?

No need, I'll send you a patch to update the selftests. It's expected that they
fail now due to the revert we had to do, so if this is the only issue it shouldn't
hold up the release. In any case, I'll send them over to you next.

Thanks,
Daniel

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