From: James Morris <james.l.morris@oracle.com>
To: Eric Biggers <ebiggers3@gmail.com>
Cc: keyrings@vger.kernel.org, David Howells <dhowells@redhat.com>,
linux-crypto@vger.kernel.org,
Alexander Potapenko <glider@google.com>,
Eric Biggers <ebiggers@google.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] X.509: fix comparisons of ->pkey_algo
Date: Mon, 27 Nov 2017 19:22:59 +1100 (AEDT) [thread overview]
Message-ID: <alpine.LFD.2.20.1711271922480.2808@localhost> (raw)
In-Reply-To: <20171127071724.25874-1-ebiggers3@gmail.com>
On Sun, 26 Nov 2017, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@google.com>
>
> ->pkey_algo used to be an enum, but was changed to a string by commit
> 4e8ae72a75aa ("X.509: Make algo identifiers text instead of enum"). But
> two comparisons were not updated. Fix them to use strcmp().
>
> This bug broke signature verification in certain configurations,
> depending on whether the string constants were deduplicated or not.
>
> Fixes: 4e8ae72a75aa ("X.509: Make algo identifiers text instead of enum")
> Cc: <stable@vger.kernel.org> # v4.6+
> Signed-off-by: Eric Biggers <ebiggers@google.com>
> ---
> crypto/asymmetric_keys/pkcs7_verify.c | 2 +-
> crypto/asymmetric_keys/x509_public_key.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: James Morris <james.l.morris@oracle.com>
--
James Morris
<james.l.morris@oracle.com>
next prev parent reply other threads:[~2017-11-27 8:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 7:17 [PATCH] X.509: fix comparisons of ->pkey_algo Eric Biggers
2017-11-27 8:22 ` James Morris [this message]
2017-11-28 10:57 ` David Howells
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