diff --git a/scripts/dpdk-build.sh b/scripts/dpdk-build.sh
index 3e2d1a4b..600a263d 100755
--- a/scripts/dpdk-build.sh
+++ b/scripts/dpdk-build.sh
@@ -9,9 +9,8 @@ dpdkver=20.11.10                            # default dpdk version (use stable v
 tarball=dpdk-${dpdkver}.tar.xz
 srcdir=dpdk-stable-$dpdkver
 
-workdir=$(pwd)/dpdk                         # default work directory
-patchdir=$(pwd)/patch/dpdk-stable-$dpdkver  # default dpdk patch directory
-
+workdir=""
+patchdir=""
 
 function help()
 {
@@ -23,6 +22,13 @@ function help()
     echo -e "\033[31m    -p    specify the dpdk patch directory, default $(pwd)/patch/dpdk-stable-$dpdkver\033[0m"
 }
 
+function set_dpdk_version()
+{
+    dpdkver=$1
+    tarball=dpdk-${dpdkver}.tar.xz
+    srcdir=dpdk-stable-$dpdkver
+}
+
 function set_work_directory()
 {
     [ ! -d $1 ] && return 1
@@ -38,7 +44,7 @@ function set_patch_directory()
 ## parse args
 while getopts "hw:p:dv:" OPT; do
     case $OPT in
-        v) dpdkver=$OPTARG;;
+        v) set_dpdk_version $OPTARG;;
         w) set_work_directory $OPTARG ;;
         p) set_patch_directory $OPTARG;;
         d) build_options="${build_options} ${debug_options}";;
@@ -46,6 +52,9 @@ while getopts "hw:p:dv:" OPT; do
     esac
 done
 
+[ -z "$workdir" ] && workdir=$(pwd)/dpdk				# use default work directory
+[ -z "$patchdir" ] && patchdir=$(pwd)/patch/dpdk-stable-$dpdkver  	# use default dpdk patch directory
+
 [ ! -d $workdir ] && mkdir $workdir
 echo -e "\033[32mwork directory: $workdir\033[0m"
 
diff --git a/src/VERSION b/src/VERSION
index 2aba272e..f97d35bb 100755
--- a/src/VERSION
+++ b/src/VERSION
@@ -1,6 +1,6 @@
 #!/bin/sh
 # program: dpvs
-# Sep 13, 2024 #
+# Sep 19, 2024 #
 ##
 # Features
 # - dpvs: Support QUIC/HTTP3, add nginx patches and facilitating code snippets for use of quic.
@@ -22,6 +22,7 @@
 # - dpvs: Fix segmentation fault problem when running on machines whose cpu number is over DPVS_MAX_LCORE.
 # - dpvs: Refactor netif_rte_port_alloc with netif_alloc.
 # - dpvs: Fix prolems in IPv6 all-nodes and all-routers address initialization.
+# - dpvs: Fix memory corruption problem when retrieving nic's xstats.
 # - tools: Fix concurrency racing problem when dpvs-agent and healthcheck changing rs simultaneously.
 # - tools: Fix healthchech bad icmp checksum problem ocasionally appeared in udp and udpping checkers.
 # - tools: Fix keepalived quorum up script not excuted problem when old rs removed and new ones added in a reload.
diff --git a/src/netif.c b/src/netif.c
index 5d8fe0b3..0a071a1d 100644
--- a/src/netif.c
+++ b/src/netif.c
@@ -3371,7 +3371,7 @@ static int netif_op_get_xstats(struct netif_port *dev, netif_nic_xstats_get_t **
     if (nentries < 0)
         return EDPVS_DPDKAPIFAIL;
 
-    get = rte_calloc("xstats_get", 1, nentries * sizeof(struct netif_nic_xstats_entry), 0);
+    get = rte_calloc("xstats_get", 1, sizeof(*get) + nentries * sizeof(struct netif_nic_xstats_entry), 0);
     if (unlikely(!get))
         return EDPVS_NOMEM;
     xstats = rte_calloc("xstats", 1, nentries * sizeof(struct rte_eth_xstat), 0);