From: Simon Horman <horms@kernel•org>
To: David Howells <dhowells@redhat•com>
Cc: Linus Torvalds <torvalds@linux-foundation•org>,
Edward Adam Davis <eadavis@qq•com>,
Pengfei Xu <pengfei.xu@intel•com>,
Markus Suvanto <markus.suvanto@gmail•com>,
Jeffrey E Altman <jaltman@auristor•com>,
Marc Dionne <marc.dionne@auristor•com>,
Wang Lei <wang840925@gmail•com>, Jeff Layton <jlayton@redhat•com>,
Steve French <smfrench@gmail•com>,
Jarkko Sakkinen <jarkko@kernel•org>,
"David S. Miller" <davem@davemloft•net>,
Eric Dumazet <edumazet@google•com>,
Jakub Kicinski <kuba@kernel•org>, Paolo Abeni <pabeni@redhat•com>,
linux-afs@lists•infradead.org, keyrings@vger•kernel.org,
linux-cifs@vger•kernel.org, linux-nfs@vger•kernel.org,
ceph-devel@vger•kernel.org, netdev@vger•kernel.org,
linux-fsdevel@vger•kernel.org, linux-kernel@vger•kernel.org
Subject: Re: [PATCH] keys, dns: Fix size check of V1 server-list header
Date: Thu, 11 Jan 2024 13:19:50 +0000 [thread overview]
Message-ID: <20240111131950.GB45291@kernel.org> (raw)
In-Reply-To: <1850031.1704921100@warthog.procyon.org.uk>
On Wed, Jan 10, 2024 at 09:11:40PM +0000, David Howells wrote:
>
> Fix the size check added to dns_resolver_preparse() for the V1 server-list
> header so that it doesn't give EINVAL if the size supplied is the same as
> the size of the header struct (which should be valid).
>
> This can be tested with:
>
> echo -n -e '\0\0\01\xff\0\0' | keyctl padd dns_resolver desc @p
>
> which will give "add_key: Invalid argument" without this fix.
>
> Fixes: 1997b3cb4217 ("keys, dns: Fix missing size check of V1 server-list header")
> Reported-by: Pengfei Xu <pengfei.xu@intel•com>
> Link: https://lore.kernel.org/r/ZZ4fyY4r3rqgZL+4@xpf.sh.intel.com/
> Signed-off-by: David Howells <dhowells@redhat•com>
Reviewed-by: Simon Horman <horms@kernel•org>
next prev parent reply other threads:[~2024-01-11 13:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-10 21:11 [PATCH] keys, dns: Fix size check of V1 server-list header David Howells
2024-01-11 5:58 ` Sedat Dilek
2024-01-22 7:32 ` Petr Vorel
2024-01-22 11:01 ` Sedat Dilek
2024-01-22 11:31 ` Sedat Dilek
2024-01-22 15:02 ` Greg KH
2024-01-11 13:19 ` Simon Horman [this message]
2024-01-13 20:40 ` Jarkko Sakkinen
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