linux-kernel - Re: [BUG] SLOB breaks Crypto

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]

Date:	Thu, 18 Mar 2010 18:30:54 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	michael-dev@...i-braun.de
Cc:	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
	Matt Mackall <mpm@...enic.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [BUG] SLOB breaks Crypto

On Mon, Mar 15, 2010 at 3:39 PM,  <michael-dev@...i-braun.de> wrote:
> Hi,
>
> I've been trying to get Linux Kernel Crypto up&running
> on an AMD Geode LX board (Alix 2d2) but instantly
> experienced a huge amount of errors that look much like
> general memory corruption. Among them where NULL-pointer errors in
> net/core/dst.c, ath9k_skb_.*, net_skb.*, page table corruption,
> NULL-pointer errors in add_swap.* (with no swap installed at all) and
> many more. These errors could be trigger by loading tcrypt for any
> installed algorithm severeal times or by loading tcrypt without
> paramters or by compiling crypto statically into the kernel or by
> installing and loading cryptodev or ocf-linux.
>
> I've had the system configured with SLOB and all memory debugging
> enabled. All of these errors instantly disappeared when switching back
> to SLAB.

Even with CONFIG_DEBUG_SLAB enabled or with CONFIG_SLUB and
CONFIG_SLUB_DEBUG_ON?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/