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([157.50.93.46]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-28d195d5583sm53135215ad.117.2025.10.01.04.39.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Oct 2025 04:39:43 -0700 (PDT) From: Bhanu Seshu Kumar Valluri To: Don Brace , "James E . J . Bottomley" , "Martin K . Petersen" , storagedev@microchip.com Cc: linux-scsi@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, skhan@linuxfoundation.org, david.hunter.linux@gmail.com, bhanuseshukumar@gmail.com Subject: [PATCH] scsi: Use kmalloc_array to prevent overflow of dynamic size calculation Date: Wed, 1 Oct 2025 17:09:35 +0530 Message-Id: <20251001113935.52596-1-bhanuseshukumar@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Use kmalloc_array to avoid potential overflow during dynamic size calculation inside kmalloc. Signed-off-by: Bhanu Seshu Kumar Valluri --- drivers/scsi/smartpqi/smartpqi_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 125944941601..7ff39f1faf38 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -8937,7 +8937,7 @@ static int pqi_host_alloc_mem(struct pqi_ctrl_info *ctrl_info, if (sg_count == 0 || sg_count > PQI_HOST_MAX_SG_DESCRIPTORS) goto out; - host_memory_descriptor->host_chunk_virt_address = kmalloc(sg_count * sizeof(void *), GFP_KERNEL); + host_memory_descriptor->host_chunk_virt_address = kmalloc_array(sg_count, sizeof(void *), GFP_KERNEL); if (!host_memory_descriptor->host_chunk_virt_address) goto out; -- 2.34.1