linux-kernel - Re: [Regression] Bug 216911 - get_unmapped_area returns addresses below mmap_min

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Message-ID: <edc4191e-7912-3e53-c1b4-249713d5ab2b@leemhuis.info>
Date:   Wed, 11 Jan 2023 21:16:27 +0100
From:   "Linux kernel regression tracking (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Liam Howlett <liam.howlett@...cle.com>,
        Linux regressions mailing list <regressions@...ts.linux.dev>
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        Amanieu d'Antras <amanieu@...il.com>,
        "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [Regression] Bug 216911 - get_unmapped_area returns addresses below mmap_min_addr

On 11.01.23 20:22, Liam Howlett wrote:
> * Linux kernel regression tracking (Thorsten Leemhuis) <regressions@...mhuis.info> [230111 05:54]:

> [...]
> Thanks Thorsten.

yw

> [...]
> I'll send out a patch shortly.

Great, thx!

>>> BTW, let me use this mail to also add the report to the list of tracked
>>> regressions to ensure it's doesn't fall through the cracks:
>>>
>>> #regzbot introduced: d4af56c5c7c6..3499a13168da
>>> https://bugzilla.kernel.org/show_bug.cgi?id=216911
>>> #regzbot title: mm: get_unmapped_area returns addresses below mmap_min_addr
>>> #regzbot ignore-activity
> 
> Just a note that the fixes tag will be outside the above introduced
> range. It will be 54a611b60590 ("Maple Tree: add new data structure")
> 
> I hope this doesn't cause issues with the bots.

Not at all. Regzbot currently[1] only looks out for Link: tags to the
report; in this case both a link to the start of this thread or the
bugzilla ticket will automatically be associated with the report, which
will be automatically marked as resolved by regzbot once a patch with
such a Link: tag lands in mainline.

Ciao, Thorsten

[1] a lot of people forget to place those Link: tags, that's why I at
some point will likely change regzbot to also consider patches as a
related where both the Reported-by and the commit id (in case it's a
fully bisected regression) match a tracked report.