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From: Mingxia Liu <mingxia.liu@intel.com>
To: dev@dpdk.org
Cc: jingjing.wu@intel.com, beilei.xing@intel.com,
	xiao.w.wang@intel.com, junfeng.guo@intel.com,
	mingxial <mingxia.liu@intel.com>,
	stable@dpdk.org
Subject: [PATCH v1] common/idpf: fix possible null dereference
Date: Wed,  9 Nov 2022 05:17:07 +0000	[thread overview]
Message-ID: <20221109051707.395658-1-mingxia.liu@intel.com> (raw)

From: mingxial <mingxia.liu@intel.com>

Coverity is reporting FORWARD_NULL issue when msg.ctx.indirect.payload
is NULL. Adding NULL check for this.

Coverity issue: 381689
Fixes: fb4ac04e9bfa ("common/idpf: introduce common library")
Cc: stable@dpdk.org

Signed-off-by: mingxial <mingxia.liu@intel.com>
---
 drivers/common/idpf/base/idpf_common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/common/idpf/base/idpf_common.c b/drivers/common/idpf/base/idpf_common.c
index bcc0c11ae8..3a9fdb1878 100644
--- a/drivers/common/idpf/base/idpf_common.c
+++ b/drivers/common/idpf/base/idpf_common.c
@@ -234,6 +234,8 @@ int idpf_clean_arq_element(struct idpf_hw *hw,
 	e->desc.ret_val = msg.status;
 	e->desc.datalen = msg.data_len;
 	if (msg.data_len > 0) {
+		if (!msg.ctx.indirect.payload)
+			return -EINVAL;
 		e->buf_len = msg.data_len;
 		msg_data_len = msg.data_len;
 		idpf_memcpy(e->msg_buf, msg.ctx.indirect.payload->va, msg_data_len,
-- 
2.25.1


             reply	other threads:[~2022-11-09  6:10 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-09  5:17 Mingxia Liu [this message]
2022-11-09  7:44 ` Zhang, Qi Z

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