linux-kernel - Re: [PATCH 0/3] kconfig: Fix expression memory leaks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAK7LNAR2zQM46WscNG+4L2UO9yZ1mButRFtYF=RHu649b05EUA@mail.gmail.com>
Date:   Fri, 12 Jan 2018 00:28:46 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Ulf Magnusson <ulfalizer@...il.com>
Cc:     "Yann E. MORIN" <yann.morin.1998@...e.fr>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Sam Ravnborg <sam@...nborg.org>, zippel@...ux-m68k.org,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        Michal Marek <michal.lkml@...kovi.net>, dirk@...ders.net,
        Arnaud Lacombe <lacombar@...il.com>, walch.martin@....de,
        Jan Beulich <JBeulich@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] kconfig: Fix expression memory leaks

2017-10-09 2:35 GMT+09:00 Ulf Magnusson <ulfalizer@...il.com>:
> Hello,
>
> This patchset plugs all memory leaks that are due to expressions not being
> freed, when parsing the x86 Kconfigs (and likely the other ARCHes too). 336 KB
> are leaked in total.
>
> Together with the memory leaks plugged in the parser in
> https://lkml.org/lkml/2017/10/8/126, this plugs all memory leaks when parsing
> the x86 Kconfigs.
>
> As a reminder, the parsers can be rebuilt like this:
>
>         $ make REGENERATE_PARSERS=1 conf
>
> Here's an easy way to run Valgrind on menuconfig (nothing seems to look at
> KERNELVERSION, so just set it to avoid a warning):
>
>         $ ARCH=x86 SRCARCH=x86 KERNELVERSION=4.14.0-rc2 valgrind --leak-check=full scripts/kconfig/mconf Kconfig
>
> Cheers,
> Ulf
>
> Ulf Magnusson (3):
>   kconfig: Fix automatic menu creation mem leak
>   kconfig: Fix expr_free() E_NOT leak
>   kconfig: Fix choice symbol expression leak
>

Applied to linux-kbuild/kconfig.  Thanks!



-- 
Best Regards
Masahiro Yamada