From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] virtio: fix buffer leak on vlan insert
Date: Wed, 17 Apr 2019 09:16:54 +0200 [thread overview]
Message-ID: <3bd7dbf6-aceb-9eee-6834-98ac16a62739@redhat.com> (raw)
Message-ID: <20190417071654.G_0bPgfzlwx9O2U6FXKmJHHV_8KeMn8GZV3pvmFTcDI@z> (raw)
In-Reply-To: <20190405163115.5068-1-stephen@networkplumber.org>
On 4/5/19 6:31 PM, Stephen Hemminger wrote:
> The function rte_vlan_insert may allocate a new buffer for the
> vlan header and return a different mbuf than originally passed.
> In this case, the stored mbuf in txm[] array could point to wrong
> buffer.
>
> Fixes: dd856dfcb9e7 ("virtio: use any layout on Tx")
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
> v2 - catch a couple more places.
> The virtio code needs some refactoring to not have 3 copies of same
> loop...
>
> drivers/net/virtio/virtio_rxtx.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Thanks,
Maxime
next prev parent reply other threads:[~2019-04-17 7:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-05 0:03 [dpdk-dev] [PATCH] " Stephen Hemminger
2019-04-05 0:03 ` Stephen Hemminger
2019-04-05 7:43 ` Jens Freimann
2019-04-05 7:43 ` Jens Freimann
2019-04-05 16:31 ` [dpdk-dev] [PATCH v2] " Stephen Hemminger
2019-04-05 16:31 ` Stephen Hemminger
2019-04-08 9:21 ` Jens Freimann
2019-04-08 9:21 ` Jens Freimann
2019-04-17 7:16 ` Maxime Coquelin [this message]
2019-04-17 7:16 ` Maxime Coquelin
2019-04-17 7:56 ` Maxime Coquelin
2019-04-17 7:56 ` Maxime Coquelin
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