linux-kernel - Re: mainline build failure due to e240e53ae0ab ("mm, slub: add CONFIG_SLUB

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Date:   Wed, 4 Jan 2023 14:57:03 +0100
From:   "Linux kernel regression tracking (#update)" 
        <regressions@...mhuis.info>
To:     "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>
Cc:     kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: mainline build failure due to e240e53ae0ab ("mm, slub: add
 CONFIG_SLUB_TINY") #forregzbot

[TLDR: This mail in primarily relevant for Linux kernel regression
tracking. See link in footer if these mails annoy you.]

On 22.12.22 13:06, Thorsten Leemhuis wrote:
> [Note: this mail contains only information for Linux kernel regression
> tracking. Mails like these contain '#forregzbot' in the subject to make
> then easy to spot and filter out. The author also tried to remove most
> or all individuals from the list of recipients to spare them the hassle.]
> 
> On 13.12.22 11:26, Sudip Mukherjee (Codethink) wrote:
>> Hi All,
>>
>> The latest mainline kernel branch fails to build xtensa allmodconfig 
>> with gcc-11 with the error:
>>
>> kernel/kcsan/kcsan_test.c: In function '__report_matches':
>> kernel/kcsan/kcsan_test.c:257:1: error: the frame size of 1680 bytes is larger than 1536 bytes [-Werror=frame-larger-than=]
>>   257 | }
>>       | ^
>>
>> git bisect pointed to e240e53ae0ab ("mm, slub: add CONFIG_SLUB_TINY")
> 
> Thanks for the report. To be sure below issue doesn't fall through the
> cracks unnoticed, I'm adding it to regzbot, my Linux kernel regression
> tracking bot:
> 
> #regzbot ^introduced e240e53ae0ab
> #regzbot title mm, slub: CONFIG_SLUB_TINY causes various build errors
> #regzbot ignore-activity

#regzbot fix: kcsan: test: don't put the expect array on the stack

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
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