linux-kernel - Re: Failure during Stack Depot allocating hash table of 1048576 entries with kvcalloc

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Message-ID: <Y9bhAyu9IJ9yBdN2@zn.tnic>
Date:   Sun, 29 Jan 2023 22:11:31 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Linux regressions mailing list <regressions@...ts.linux.dev>,
        Mirsad Goran Todorovac <mirsad.todorovac@....unizg.hr>,
        Vlastimil Babka <vbabka@...e.cz>,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        linux-mm <linux-mm@...ck.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Zhaoyang Huang <zhaoyang.huang@...soc.com>
Subject: Re: Failure during Stack Depot allocating hash table of 1048576
 entries with kvcalloc

On Sun, Jan 29, 2023 at 12:50:14PM -0800, Andrew Morton wrote:
> OK, thanks, I didn't realize this issue was so serious.

Yeah, I wouldn't call it serious - as a precondition, you need KMEMLEAK enabled
which probably shouldn't be run in production. For some reason it was enabled in
that test box's config - that's how I even saw this in the first place...

-- 
Regards/Gruss,
    Boris.

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