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Tue, 12 Oct 2021 08:21:17 +0000 From: Sunil Kumar Kori To: "Li, Xiaoyun" CC: "dev@dpdk.org" , "stable@dpdk.org" , "Dumitrescu, Cristian" Thread-Topic: [PATCH] app/testpmd: fix invalid memory access Thread-Index: AQHXvzvhZDAF2pdtYUuiMJKwteG0tqvO/TOAgAAIdWA= Date: Tue, 12 Oct 2021 08:21:17 +0000 Message-ID: References: <20211012073624.399404-1-skori@marvell.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 1fe0ead2-5d11-43f0-3442-08d98d5943d4 x-ms-traffictypediagnostic: DM6PR18MB3508: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6108; x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: marvell.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM5PR18MB0938.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1fe0ead2-5d11-43f0-3442-08d98d5943d4 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Oct 2021 08:21:17.7202 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: BOP2fokK52LlL3T8Q6IMR2hQ0FPkxk+tx4E5jiL4gutMqS+dp/i/d1pPBxfMUFSnXZMgE75FiwZR5qPDe9aEqw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR18MB3508 X-Proofpoint-ORIG-GUID: pMknqh3DIzxTolGbfQm6UeFa6Za52lYt X-Proofpoint-GUID: pMknqh3DIzxTolGbfQm6UeFa6Za52lYt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-12_01,2021-10-11_01,2020-04-07_01 Subject: Re: [dpdk-stable] [PATCH] app/testpmd: fix invalid memory access 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 Sender: "stable" Regards Sunil Kumar Kori >-----Original Message----- >From: Li, Xiaoyun >Sent: Tuesday, October 12, 2021 1:21 PM >To: Sunil Kumar Kori >Cc: dev@dpdk.org; stable@dpdk.org; Dumitrescu, Cristian > >Subject: [EXT] RE: [PATCH] app/testpmd: fix invalid memory access > >External Email > >---------------------------------------------------------------------- >Hi > >> -----Original Message----- >> From: skori@marvell.com >> Sent: Tuesday, October 12, 2021 15:36 >> To: Li, Xiaoyun >> Cc: dev@dpdk.org; Sunil Kumar Kori ; >> stable@dpdk.org >> Subject: [PATCH] app/testpmd: fix invalid memory access >> >> From: Sunil Kumar Kori >> >> During parsing of DSCP entries, memory is allocated and assgined to >*dscp_table. >> Later on, same memory is accessed using *dscp_table[i++]. >> >> Due to higher precedence for array subscript, dscp_table[i++] will be >> executed first which actually does not point to the same memory which >> was allocated previously for DSCP table entries. >> >> Cc: stable@dpdk.org >> >> Fixes: e63b50162aa3 ("app/testpmd: clean metering and policing >> commands") > >I think the fix should be for patch 459463ae6c26 ("app/testpmd: fix memory >allocation for DSCP table") Also, added metering maintainer. > Ack. I will update and share v2. >BRs >Xiaoyun > >> >> Signed-off-by: Sunil Kumar Kori >> --- >> app/test-pmd/cmdline_mtr.c | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/app/test-pmd/cmdline_mtr.c b/app/test-pmd/cmdline_mtr.c >> index >> b5dcfdadcf..ad7ef6ad98 100644 >> --- a/app/test-pmd/cmdline_mtr.c >> +++ b/app/test-pmd/cmdline_mtr.c >> @@ -101,13 +101,13 @@ parse_dscp_table_entries(char *str, enum >> rte_color >> **dscp_table) >> while (1) { >> if (strcmp(token, "G") =3D=3D 0 || >> strcmp(token, "g") =3D=3D 0) >> - *dscp_table[i++] =3D RTE_COLOR_GREEN; >> + (*dscp_table)[i++] =3D RTE_COLOR_GREEN; >> else if (strcmp(token, "Y") =3D=3D 0 || >> strcmp(token, "y") =3D=3D 0) >> - *dscp_table[i++] =3D RTE_COLOR_YELLOW; >> + (*dscp_table)[i++] =3D RTE_COLOR_YELLOW; >> else if (strcmp(token, "R") =3D=3D 0 || >> strcmp(token, "r") =3D=3D 0) >> - *dscp_table[i++] =3D RTE_COLOR_RED; >> + (*dscp_table)[i++] =3D RTE_COLOR_RED; >> else { >> free(*dscp_table); >> return -1; >> -- >> 2.25.1