Date: Mon, 1 Feb 2016 12:16:56 -0800 From: Conrad Meyer <cem@FreeBSD.org> To: C Turt <cturt@hardenedbsd.org> Cc: arch@freebsd.org Subject: Re: OpenBSD mallocarray Message-ID: <CAG6CVpWbaFOQ1GzE1qmZFodXg_xZafmCc0b1kUh=0%2BFAjLPRvA@mail.gmail.com> In-Reply-To: <CAB815ZafpqJoqr1oH8mDJM=0RxLptQJpoJLexw6P6zOi7oSXTQ@mail.gmail.com> References: <CAB815ZafpqJoqr1oH8mDJM=0RxLptQJpoJLexw6P6zOi7oSXTQ@mail.gmail.com>
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On Mon, Feb 1, 2016 at 11:57 AM, C Turt <cturt@hardenedbsd.org> wrote: > I've recently started browsing the OpenBSD kernel source code, and have > found the mallocarray function positively wonderful. I would like to > discuss the possibility of getting this into FreeBSD kernel. > > ... > > The mallocarray is a wrapper for malloc which can be used in this > situations to detect an integer overflow before allocating: Sure. +1 from me. I don't think we want the M_CANFAIL hack, though. Best, Conrad
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