From 21ce8e44b8d395dd90fd43d078b7894df48b6eee Mon Sep 17 00:00:00 2001 From: Reshma Pattan Date: Thu, 10 May 2018 13:05:44 +0100 Subject: [PATCH] examples/vhost_scsi: replace strncpy with strlcpy Use strlcpy instead of strncpy. Fixes: db75c7af19 ("examples/vhost_scsi: introduce a new sample app") Cc: stable@dpdk.org Signed-off-by: Reshma Pattan Acked-by: Bruce Richardson --- examples/vhost_scsi/scsi.c | 14 +++++++++----- examples/vhost_scsi/scsi_spec.h | 2 +- 2 files changed, 10 insertions(+), 6 deletions(-) diff --git a/examples/vhost_scsi/scsi.c b/examples/vhost_scsi/scsi.c index 2a034bb9b7..0c2fa3e6ab 100644 --- a/examples/vhost_scsi/scsi.c +++ b/examples/vhost_scsi/scsi.c @@ -20,6 +20,7 @@ #include #include #include +#include #include "vhost_scsi.h" #include "scsi_spec.h" @@ -181,7 +182,8 @@ vhost_bdev_scsi_inquiry_command(struct vhost_block_dev *bdev, break; case SPC_VPD_UNIT_SERIAL_NUMBER: hlen = 4; - strncpy((char *)vpage->params, bdev->name, 32); + strlcpy((char *)vpage->params, bdev->name, + sizeof(vpage->params)); vpage->alloc_len = rte_cpu_to_be_16(32); break; case SPC_VPD_DEVICE_IDENTIFICATION: @@ -215,10 +217,10 @@ vhost_bdev_scsi_inquiry_command(struct vhost_block_dev *bdev, desig->piv = 1; desig->reserved1 = 0; desig->len = 8 + 16 + 32; - strncpy((char *)desig->desig, "INTEL", 8); + strlcpy((char *)desig->desig, "INTEL", 8); vhost_strcpy_pad((char *)&desig->desig[8], bdev->product_name, 16, ' '); - strncpy((char *)&desig->desig[24], bdev->name, 32); + strlcpy((char *)&desig->desig[24], bdev->name, 32); len += sizeof(struct scsi_desig_desc) + 8 + 16 + 32; buf += sizeof(struct scsi_desig_desc) + desig->len; @@ -275,7 +277,8 @@ vhost_bdev_scsi_inquiry_command(struct vhost_block_dev *bdev, inqdata->flags3 = 0x2; /* T10 VENDOR IDENTIFICATION */ - strncpy((char *)inqdata->t10_vendor_id, "INTEL", 8); + strlcpy((char *)inqdata->t10_vendor_id, "INTEL", + sizeof(inqdata->t10_vendor_id)); /* PRODUCT IDENTIFICATION */ snprintf((char *)inqdata->product_id, @@ -283,7 +286,8 @@ vhost_bdev_scsi_inquiry_command(struct vhost_block_dev *bdev, bdev->product_name); /* PRODUCT REVISION LEVEL */ - strncpy((char *)inqdata->product_rev, "0001", 4); + strlcpy((char *)inqdata->product_rev, "0001", + sizeof(inqdata->product_rev)); /* Standard inquiry data ends here. Only populate * remaining fields if alloc_len indicates enough diff --git a/examples/vhost_scsi/scsi_spec.h b/examples/vhost_scsi/scsi_spec.h index 5c7a894bd3..27be026886 100644 --- a/examples/vhost_scsi/scsi_spec.h +++ b/examples/vhost_scsi/scsi_spec.h @@ -367,7 +367,7 @@ struct scsi_vpd_page { uint8_t peripheral; uint8_t page_code; uint16_t alloc_len; - uint8_t params[]; + uint8_t params[32]; }; #define SCSI_VEXT_REF_CHK 0x01 -- 2.20.1