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Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH 13/16] crypto/dpaa_sec: fix bitmask truncation Content-Language: en-US To: Stephen Hemminger , dev@dpdk.org Cc: akhil.goyal@nxp.com, stable@dpdk.org, Gagandeep Singh , Hemant Agrawal , Akhil Goyal References: <20241115060738.313190-1-stephen@networkplumber.org> <20241115060738.313190-14-stephen@networkplumber.org> From: Hemant Agrawal In-Reply-To: <20241115060738.313190-14-stephen@networkplumber.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SG2PR04CA0160.apcprd04.prod.outlook.com (2603:1096:4::22) To PAXPR04MB9328.eurprd04.prod.outlook.com (2603:10a6:102:2b6::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB9328:EE_|AS4PR04MB9690:EE_ X-MS-Office365-Filtering-Correlation-Id: 0460e7dd-1286-4687-fd19-08dd079f2ad0 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016; 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therefore any value >= 32 would get truncated. > > Link: https://pvs-studio.com/en/blog/posts/cpp/1183/ > > Fixes: fe3688ba7950 ("crypto/dpaa_sec: support event crypto adapter") > Cc: akhil.goyal@nxp.com > Cc: stable@dpdk.org > > Signed-off-by: Stephen Hemminger > --- > drivers/crypto/dpaa_sec/dpaa_sec.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c b/drivers/crypto/dpaa_sec/dpaa_sec.c > index 3fa88ca968..e117cd77a6 100644 > --- a/drivers/crypto/dpaa_sec/dpaa_sec.c > +++ b/drivers/crypto/dpaa_sec/dpaa_sec.c > @@ -1907,13 +1907,12 @@ dpaa_sec_enqueue_burst(void *qp, struct rte_crypto_op **ops, > op = *(ops++); > if (*dpaa_seqn(op->sym->m_src) != 0) { > index = *dpaa_seqn(op->sym->m_src) - 1; > - if (DPAA_PER_LCORE_DQRR_HELD & (1 << index)) { > + if (DPAA_PER_LCORE_DQRR_HELD & (UINT64_C(1) << index)) { > /* QM_EQCR_DCA_IDXMASK = 0x0f */ > flags[loop] = ((index & 0x0f) << 8); > flags[loop] |= QMAN_ENQUEUE_FLAG_DCA; > DPAA_PER_LCORE_DQRR_SIZE--; > - DPAA_PER_LCORE_DQRR_HELD &= > - ~(1 << index); > + DPAA_PER_LCORE_DQRR_HELD &= ~(UINT64_C(1) << index); > } > } > > @@ -3500,7 +3499,7 @@ dpaa_sec_process_atomic_event(void *event, > /* Save active dqrr entries */ > index = ((uintptr_t)dqrr >> 6) & (16/*QM_DQRR_SIZE*/ - 1); > DPAA_PER_LCORE_DQRR_SIZE++; > - DPAA_PER_LCORE_DQRR_HELD |= 1 << index; > + DPAA_PER_LCORE_DQRR_HELD |= UINT64_C(1) << index; > DPAA_PER_LCORE_DQRR_MBUF(index) = ctx->op->sym->m_src; > ev->impl_opaque = index + 1; > *dpaa_seqn(ctx->op->sym->m_src) = (uint32_t)index + 1; Acked-by: Hemant Agrawal