linux-kernel - [PATCH] scsi: lpfc_nvme: Fix wrong sizeof argument

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 18 Mar 2019 12:15:05 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     James Smart <james.smart@...adcom.com>,
        Dick Kennedy <dick.kennedy@...adcom.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] scsi: lpfc_nvme: Fix wrong sizeof argument

sizeof() is currently using the wrong argument when used in a call to
memset().  Notice that wqe is a pointer to union lpfc_wqe128, not to
union lpfc_wqe.

Fix this by using union lpfc_wqe128 instead of lpfc_wqe as argument
of sizeof().

Addresses-Coverity-ID: 1443938 ("Wrong sizeof argument")
Fixes: 5fd1108517d9 ("scsi: lpfc: Streamline NVME Initiator WQE setup")
Cc: stable@...r.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/scsi/lpfc/lpfc_nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index d16ca413110d..3dc0c85c7d50 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -1981,7 +1981,7 @@ lpfc_get_nvme_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
 		/* Fill in word 3 / sgl_len during cmd submission */
 
 		/* Initialize WQE */
-		memset(wqe, 0, sizeof(union lpfc_wqe));
+		memset(wqe, 0, sizeof(union lpfc_wqe128));
 
 		if (lpfc_ndlp_check_qdepth(phba, ndlp)) {
 			atomic_inc(&ndlp->cmd_pending);
-- 
2.21.0