From: Jan Stancek <jstancek@redhat.com>
To: Marcelo Cerri <marcelo.cerri@canonical.com>
Cc: rui y wang <rui.y.wang@intel.com>,
herbert@gondor.apana.org.au, mhcerri@linux.vnet.ibm.com,
leosilva@linux.vnet.ibm.com, pfsmorigo@linux.vnet.ibm.com,
linux-crypto@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [bug] crypto/vmx/p8_ghash memory corruption in 4.8-rc7
Date: Mon, 26 Sep 2016 13:50:04 -0400 (EDT) [thread overview]
Message-ID: <978710766.77328.1474912204420.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <20160926141510.GC5031@gallifrey>
----- Original Message -----
> From: "Marcelo Cerri" <marcelo.cerri@canonical.com>
> To: "Jan Stancek" <jstancek@redhat.com>
> Cc: "rui y wang" <rui.y.wang@intel.com>, herbert@gondor.apana.org.au, mhcerri@linux.vnet.ibm.com,
> leosilva@linux.vnet.ibm.com, pfsmorigo@linux.vnet.ibm.com, linux-crypto@vger.kernel.org,
> linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
> Sent: Monday, 26 September, 2016 4:15:10 PM
> Subject: Re: [bug] crypto/vmx/p8_ghash memory corruption in 4.8-rc7
>
> Hi Jan,
>
> Just out of curiosity, have you tried to use "76" on both values to
> check if the problem still happens?
I did, I haven't seen any panics with such patch:
@@ -211,7 +212,7 @@ struct shash_alg p8_ghash_alg = {
.update = p8_ghash_update,
.final = p8_ghash_final,
.setkey = p8_ghash_setkey,
- .descsize = sizeof(struct p8_ghash_desc_ctx),
+ .descsize = sizeof(struct p8_ghash_desc_ctx) + 20,
.base = {
.cra_name = "ghash",
.cra_driver_name = "p8_ghash",
next prev parent reply other threads:[~2016-09-26 17:50 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <450861381.1559123.1474673197124.JavaMail.zimbra@redhat.com>
2016-09-24 0:22 ` [bug] crypto/vmx/p8_ghash memory corruption in 4.8-rc7 Jan Stancek
2016-09-26 14:15 ` Marcelo Cerri
2016-09-26 17:50 ` Jan Stancek [this message]
2016-09-26 14:59 ` Herbert Xu
2016-09-26 17:43 ` Marcelo Cerri
2016-09-27 3:08 ` Herbert Xu
2016-09-27 9:01 ` Jan Stancek
2016-09-27 12:04 ` Marcelo Cerri
2016-09-27 19:46 ` Marcelo Cerri
2016-09-28 2:45 ` Herbert Xu
2016-09-28 7:40 ` Jan Stancek
2016-09-28 12:29 ` Herbert Xu
2016-09-28 12:38 ` Marcelo Cerri
2016-09-28 12:44 ` Herbert Xu
2016-09-28 12:55 ` Marcelo Cerri
2016-09-28 13:09 ` Herbert Xu
2016-09-28 12:28 ` Marcelo Cerri
2016-09-28 12:33 ` Herbert Xu
2016-09-28 13:22 ` Paulo Flabiano Smorigo
2016-09-28 8:59 ` Jan Stancek
2016-09-28 2:44 ` Herbert Xu
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