diff --git a/0020-pdump-fix-pcap_dump-coredump.patch b/0020-pdump-fix-pcap_dump-coredump.patch
new file mode 100644
index 0000000000000000000000000000000000000000..ec4d0093ad57e41d59dd6df66c2d6f0f5d93c529
--- /dev/null
+++ b/0020-pdump-fix-pcap_dump-coredump.patch
@@ -0,0 +1,32 @@
+From c02e48b92050856389403518be8bb70a4fdda551 Mon Sep 17 00:00:00 2001
+From: jiangheng12 <jiangheng14@huawei.com>
+Date: Thu, 8 Jun 2023 20:59:15 +0800
+Subject: [PATCH] pdump: fix pcap_dump coredump
+
+---
+ drivers/net/pcap/pcap_ethdev.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/net/pcap/pcap_ethdev.c b/drivers/net/pcap/pcap_ethdev.c
+index ec29fd6..40ad166 100644
+--- a/drivers/net/pcap/pcap_ethdev.c
++++ b/drivers/net/pcap/pcap_ethdev.c
+@@ -408,8 +408,13 @@ eth_pcap_tx_dumper(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+ 		 * in the mbuf (when the mbuf is contiguous) or, otherwise,
+ 		 * a pointer to temp_data after copying into it.
+ 		 */
+-		pcap_dump((u_char *)dumper, &header,
+-			rte_pktmbuf_read(mbuf, 0, caplen, temp_data));
++		const void *sp = rte_pktmbuf_read(mbuf, 0, caplen, temp_data);
++		if (sp == NULL) {
++			rte_pktmbuf_free(mbuf);
++			continue;
++		} else {
++			pcap_dump((u_char *)dumper, &header, sp);
++		}
+ 
+ 		num_tx++;
+ 		tx_bytes += caplen;
+-- 
+2.23.0
+
diff --git a/dpdk.spec b/dpdk.spec
index 83742bf1d45707d884fcb2106d24188f5aa73b95..38d0cb5f75269c3fb1ec3de6c42eadbcbf6d7116 100644
--- a/dpdk.spec
+++ b/dpdk.spec
@@ -1,6 +1,6 @@
 Name: dpdk
 Version: 21.11
-Release: 48
+Release: 49
 Packager: packaging@6wind.com
 URL: http://dpdk.org
 %global source_version  21.11
@@ -330,10 +330,12 @@ Patch6306:    0306-net-hns3-fix-device-start-return-value.patch
 Patch6307:    0307-net-hns3-fix-uninitialized-variable.patch
 Patch6308:    0308-net-hns3-refactor-code.patch
 Patch6309:    0309-net-hns3-fix-inaccurate-log.patch
-Patch9310:    0310-net-hns3-fix-redundant-line-break-in-log.patch
-Patch9311:    0311-ethdev-add-API-to-check-if-queue-is-valid.patch
-Patch9312:    0312-app-testpmd-fix-segment-fault-with-invalid-queue-ID.patch
-Patch9313:    0313-net-hns3-fix-IMP-reset-trigger.patch
+Patch6310:    0310-net-hns3-fix-redundant-line-break-in-log.patch
+Patch6311:    0311-ethdev-add-API-to-check-if-queue-is-valid.patch
+Patch6312:    0312-app-testpmd-fix-segment-fault-with-invalid-queue-ID.patch
+Patch6313:    0313-net-hns3-fix-IMP-reset-trigger.patch
+
+Patch9020:    0020-pdump-fix-pcap_dump-coredump.patch
 
 Summary: Data Plane Development Kit core
 Group: System Environment/Libraries
@@ -478,6 +480,9 @@ strip -g $RPM_BUILD_ROOT/lib/modules/%{kern_devel_ver}/extra/dpdk/igb_uio.ko
 /usr/sbin/depmod
 
 %changelog
+* Tue Jun 13 2023 jiangheng <jiangheng14@huawei.com> - 21.11-49
+- pdump: fix pcap_dump coredump
+
 * Fir Jun 09 2023 jiangheng <jiangheng14@huawei.com> - 21.11-48
 - distinguish self and upstream patches number