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From: Daniel Borkmann <dborkman@redhat.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org
Subject: Re: [PATCH net] net: sctp: sctp_transport_destroy{,_rcu}: fix potential pointer corruption
Date: Fri, 09 Aug 2013 10:33:07 +0000	[thread overview]
Message-ID: <5204C563.5030808@redhat.com> (raw)
In-Reply-To: <1376042849-19732-1-git-send-email-dborkman@redhat.com>

On 08/09/2013 12:07 PM, Daniel Borkmann wrote:
> Probably this one is quite unlikely to be triggered, but it's more safe
> to hold a pointer to asoc and packet (instead of dereferencing) and access
> both though this after we have called sctp_transport_destroy_rcu() where
> the transport is being kfree()'d. Introduced by commit 8c98653f ("sctp:
> sctp_close: fix release of bindings for deferred call_rcu's").
>
> Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

Please ignore this, will send an updated v2 in a moment.

WARNING: multiple messages have this Message-ID (diff)
From: Daniel Borkmann <dborkman@redhat.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org
Subject: Re: [PATCH net] net: sctp: sctp_transport_destroy{,_rcu}: fix potential pointer corruption
Date: Fri, 09 Aug 2013 12:33:07 +0200	[thread overview]
Message-ID: <5204C563.5030808@redhat.com> (raw)
In-Reply-To: <1376042849-19732-1-git-send-email-dborkman@redhat.com>

On 08/09/2013 12:07 PM, Daniel Borkmann wrote:
> Probably this one is quite unlikely to be triggered, but it's more safe
> to hold a pointer to asoc and packet (instead of dereferencing) and access
> both though this after we have called sctp_transport_destroy_rcu() where
> the transport is being kfree()'d. Introduced by commit 8c98653f ("sctp:
> sctp_close: fix release of bindings for deferred call_rcu's").
>
> Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

Please ignore this, will send an updated v2 in a moment.

  reply	other threads:[~2013-08-09 10:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-09 10:07 [PATCH net] net: sctp: sctp_transport_destroy{,_rcu}: fix potential pointer corruption Daniel Borkmann
2013-08-09 10:07 ` Daniel Borkmann
2013-08-09 10:33 ` Daniel Borkmann [this message]
2013-08-09 10:33   ` Daniel Borkmann

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