From: "Xia, Chenbo" <chenbo.xia@intel.com>
To: "Ma, WenwuX" <wenwux.ma@intel.com>,
"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "Hu, Jiayu" <jiayu.hu@intel.com>,
"Wang, Yinan" <yinan.wang@intel.com>,
"He, Xingguang" <xingguang.he@intel.com>,
"Ling, WeiX" <weix.ling@intel.com>,
"Wang, YuanX" <yuanx.wang@intel.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: RE: [PATCH] examples/vhost: fix use after free
Date: Fri, 15 Jul 2022 05:54:40 +0000 [thread overview]
Message-ID: <SN6PR11MB3504FFBCE8DBF01F3DAC441C9C8B9@SN6PR11MB3504.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20220714051106.1134222-1-wenwux.ma@intel.com>
> -----Original Message-----
> From: Ma, WenwuX <wenwux.ma@intel.com>
> Sent: Thursday, July 14, 2022 1:11 PM
> To: maxime.coquelin@redhat.com; Xia, Chenbo <chenbo.xia@intel.com>;
> dev@dpdk.org
> Cc: Hu, Jiayu <jiayu.hu@intel.com>; Wang, Yinan <yinan.wang@intel.com>; He,
> Xingguang <xingguang.he@intel.com>; Ling, WeiX <weix.ling@intel.com>; Wang,
> YuanX <yuanx.wang@intel.com>; Ma, WenwuX <wenwux.ma@intel.com>;
> stable@dpdk.org
> Subject: [PATCH] examples/vhost: fix use after free
>
> In async_enqueue_pkts(), the failed pkts will
> be freed before return, but, the failed pkts may be
> retried later, it will cause use after free. So,
> we free the failed pkts after retry.
>
> Fixes: 1907ce4baec3 ("examples/vhost: fix retry logic on Rx path")
> Cc: stable@dpdk.org
>
> Signed-off-by: Wenwu Ma <wenwux.ma@intel.com>
> ---
> examples/vhost/main.c | 19 ++++++++++++-------
> 1 file changed, 12 insertions(+), 7 deletions(-)
>
As discussed in yesterday's release meeting, this issue should have minor impact,
so the fix could be moved to next release.
Thanks,
Chenbo
next prev parent reply other threads:[~2022-07-15 5:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-14 5:11 Wenwu Ma
2022-07-14 7:55 ` Ling, WeiX
2022-07-15 5:54 ` Xia, Chenbo [this message]
2022-09-22 13:46 ` Xia, Chenbo
2022-09-29 8:40 ` Xia, Chenbo
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