linux-kernel - Re: Several suspected memory leaks

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Message-ID: <877em1alut.fsf@concordia.ellerman.id.au>
Date:   Thu, 12 Jul 2018 00:27:38 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: Several suspected memory leaks

Hi Paul,

Paul Menzel <pmenzel@...gen.mpg.de> writes:
> Dear Liunx folks,
>
> On a the IBM S822LC (8335-GTA) with Ubuntu 18.04 I built Linux master
> – 4.18-rc4+, commit 092150a2 (Merge branch 'for-linus'
> of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid) – with
> kmemleak. Several issues are found.

Is this the first time you've tested it?
Or did these warnings only show up recently?

> ```
> $ grep KMEMLEAK /boot/config-4.18.0-rc4+
> CONFIG_HAVE_DEBUG_KMEMLEAK=y
> CONFIG_DEBUG_KMEMLEAK=y
> CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=10000
> # CONFIG_DEBUG_KMEMLEAK_TEST is not set
> # CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF is not set


I'm not seeing any warnings on my machine here, maybe it's something
config related. Can you send your full .config ?

cheers