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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB3504.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: de38ab8d-e34d-4a08-17f3-08da662681f7 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jul 2022 05:54:40.1435 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: rX1sSLlfv+xj+pWbqMH91eaUX+FEpk4q+r3cxnBZZYOu8E4mbZWExbiql/0m4Ge+VXQaAOakMiJ2/SbZ2EDJvQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR11MB1885 X-OriginatorOrg: intel.com X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org > -----Original Message----- > From: Ma, WenwuX > Sent: Thursday, July 14, 2022 1:11 PM > To: maxime.coquelin@redhat.com; Xia, Chenbo ; > dev@dpdk.org > Cc: Hu, Jiayu ; Wang, Yinan ; H= e, > Xingguang ; Ling, WeiX ; Wan= g, > YuanX ; Ma, WenwuX ; > stable@dpdk.org > Subject: [PATCH] examples/vhost: fix use after free >=20 > 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. >=20 > Fixes: 1907ce4baec3 ("examples/vhost: fix retry logic on Rx path") > Cc: stable@dpdk.org >=20 > Signed-off-by: Wenwu Ma > --- > examples/vhost/main.c | 19 ++++++++++++------- > 1 file changed, 12 insertions(+), 7 deletions(-) >=20 As discussed in yesterday's release meeting, this issue should have minor i= mpact, so the fix could be moved to next release. Thanks, Chenbo