linux-kernel - Re: [PATCH v2 3/8] objtool: allocate multiple structures with calloc()

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

Message-ID: <20230130235341.u2qjearhh3rv6cm4@treble>
Date:   Mon, 30 Jan 2023 15:53:41 -0800
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     Thomas Weißschuh <linux@...ssschuh.net>
Cc:     Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/8] objtool: allocate multiple structures with
 calloc()

On Tue, Dec 27, 2022 at 04:00:59PM +0000, Thomas Weißschuh wrote:
> By using calloc() instead of malloc() in a loop, libc does not have to
> keep around bookkeeping information for each single structure.

If we cared about memory leaks, this wouldn't really work because some
structures are added in later, after the reading of the original
sections and symbols.  Luckily we don't care :-)

-- 
Josh