linux-kernel - Re: [PATCH 2/6] lib/rhashtable: guarantee initial hashtable allocation

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: <20180525032620.eg6gajv4hxxrm4y2@linux-n805>
Date:   Thu, 24 May 2018 20:26:20 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     akpm@...ux-foundation.org, torvalds@...ux-foundation.org
Cc:     tgraf@...g.ch, herbert@...dor.apana.org.au,
        manfred@...orfullife.com, guillaume.knispel@...ersonicimagine.com,
        linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH 2/6] lib/rhashtable: guarantee initial hashtable
 allocation

On Thu, 24 May 2018, Davidlohr Bueso wrote:
> 	size = sizeof(*tbl) + nbuckets * sizeof(tbl->buckets[0]);
>+	if (retry) {
>+		gfp |= __GFP_NOFAIL;
>+		tbl = kzalloc(size, gfp);
>+	} /* fall-through */
>+
> 	if (gfp != GFP_KERNEL)
> 		tbl = kzalloc(size, gfp | __GFP_NOWARN | __GFP_NORETRY);

This is wrong I'll fix in a v2, it should be _else_ if (gfp != GFP_KERNEL) ...