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(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: LK/X2/jo9Cp009ObzLVRo+a1k/gl/sumJL43w84+knhsn6sa/RzhRrLYyQCfJ08jtEe7PfvScQdXuTrIy2Oiyw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR18MB5497 X-Proofpoint-GUID: swP8HlYHMVhLbshED8HsUGvIH-M5DxCq X-Proofpoint-ORIG-GUID: swP8HlYHMVhLbshED8HsUGvIH-M5DxCq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-06-09_04,2023-06-08_01,2023-05-22_02 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > Subject: [EXT] [PATCH v2] cryptodev: avoid algorithm strings null pointer= s >=20 > The crypto algorithm strings identifiers that are Continuous may be null, > so there is needed to add null judgment. > When testing with dpdk-test-crypto-perf and passing in the parameter > --auth-algo sm3-hmac, The program caused a segfault due to a null pointer > passed in by strcmp. > Adding this patch can solve the segfault problem. I believe this is a fix and you should add fixes tag for this and need to b= e backported. >=20 > Signed-off-by: xixin.liu Signoff format is not correct. Please follow https://doc.dpdk.org/guides/contributing/patches.html > --- > lib/cryptodev/rte_cryptodev.c | 8 ++++++++ > 1 file changed, 8 insertions(+) >=20 > diff --git a/lib/cryptodev/rte_cryptodev.c b/lib/cryptodev/rte_cryptodev.= c > index a96114b2da..41c23fc596 100644 > --- a/lib/cryptodev/rte_cryptodev.c > +++ b/lib/cryptodev/rte_cryptodev.c > @@ -346,6 +346,8 @@ rte_cryptodev_get_cipher_algo_enum(enum > rte_crypto_cipher_algorithm *algo_enum, > int ret =3D -1; /* Invalid string */ >=20 > for (i =3D 1; i < RTE_DIM(crypto_cipher_algorithm_strings); i++) { > + if (crypto_cipher_algorithm_strings[i] =3D=3D NULL) > + continue; crypto_cipher_algorithm_strings is a fixed size array with all non-NULL kno= wn values and the for loop is iterating over it. So, this check does not make sense t= o me. > if (strcmp(algo_string, crypto_cipher_algorithm_strings[i]) =3D=3D 0) > { > *algo_enum =3D (enum rte_crypto_cipher_algorithm) i; > ret =3D 0; > @@ -366,6 +368,8 @@ rte_cryptodev_get_auth_algo_enum(enum > rte_crypto_auth_algorithm *algo_enum, > int ret =3D -1; /* Invalid string */ >=20 > for (i =3D 1; i < RTE_DIM(crypto_auth_algorithm_strings); i++) { > + if (crypto_auth_algorithm_strings[i] =3D=3D NULL) > + continue; > if (strcmp(algo_string, crypto_auth_algorithm_strings[i]) =3D=3D 0) { > *algo_enum =3D (enum rte_crypto_auth_algorithm) i; > ret =3D 0; > @@ -386,6 +390,8 @@ rte_cryptodev_get_aead_algo_enum(enum > rte_crypto_aead_algorithm *algo_enum, > int ret =3D -1; /* Invalid string */ >=20 > for (i =3D 1; i < RTE_DIM(crypto_aead_algorithm_strings); i++) { > + if (crypto_aead_algorithm_strings[i] =3D=3D NULL) > + continue; > if (strcmp(algo_string, crypto_aead_algorithm_strings[i]) =3D=3D 0) { > *algo_enum =3D (enum rte_crypto_aead_algorithm) i; > ret =3D 0; > @@ -406,6 +412,8 @@ rte_cryptodev_asym_get_xform_enum(enum > rte_crypto_asym_xform_type *xform_enum, > int ret =3D -1; /* Invalid string */ >=20 > for (i =3D 1; i < RTE_DIM(crypto_asym_xform_strings); i++) { > + if (crypto_asym_xform_strings[i] =3D=3D NULL) > + continue; > if (strcmp(xform_string, > crypto_asym_xform_strings[i]) =3D=3D 0) { > *xform_enum =3D (enum rte_crypto_asym_xform_type) i; > -- > 2.34.1