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Commit ea98ab34 authored by Maurizio Lombardi's avatar Maurizio Lombardi Committed by Martin K. Petersen
Browse files

scsi: lpfc: fix potential buffer overflow. 



This patch fixes a potential buffer overflow in lpfc_nvme_info_show().

Signed-off-by: default avatarMaurizio Lombardi <mlombard@redhat.com>
Reviewed-by: default avatarEwan D. Milne <emilne@redhat.com>
Acked-by: default avatarJames Smart <james.smart@broadcom.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent cb22bdc8

drivers/scsi/lpfc/lpfc_attr.c

+2 −2
Original line number Diff line number Diff line
@@ -181,7 +181,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, 
				wwn_to_u64(vport->fc_nodename.u.wwn),

				phba->targetport->port_id);



		len += snprintf(buf + len, PAGE_SIZE,

		len += snprintf(buf + len, PAGE_SIZE - len,

				"\nNVME Target: Statistics\n");

		tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;

		len += snprintf(buf+len, PAGE_SIZE-len,
@@ -326,7 +326,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, 
	}

	spin_unlock_irq(shost->host_lock);



	len += snprintf(buf + len, PAGE_SIZE, "\nNVME Statistics\n");

	len += snprintf(buf + len, PAGE_SIZE - len, "\nNVME Statistics\n");

	len += snprintf(buf+len, PAGE_SIZE-len,

			"LS: Xmt %016llx Cmpl %016llx\n",

			phba->fc4NvmeLsRequests,