diff --git a/0004-sg3_utils-fix-memset-coredump.patch b/0004-sg3_utils-fix-memset-coredump.patch
new file mode 100644
index 0000000000000000000000000000000000000000..ff6fdc5a6b687bc9e6d49d7308171dfec0859772
--- /dev/null
+++ b/0004-sg3_utils-fix-memset-coredump.patch
@@ -0,0 +1,29 @@
+From dd2a61c9551ac5d2ac0c5902172fd8312edc22cb Mon Sep 17 00:00:00 2001
+From: yanglongkang <yanglongkang@huawei.com>
+Date: Tue, 9 Feb 2021 11:39:32 +0800
+Subject: [PATCH] sg3_utils: fix memset coredump
+
+alloc MX_ALLOC_LEN size mem to enc_stat_rsp for
+solving coredump problem.
+
+Signed-off-by: yanglongkang <yanglongkang@huawei.com>
+---
+ src/sg_ses.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/sg_ses.c b/src/sg_ses.c
+index 23fc3b9..cf344b7 100644
+--- a/src/sg_ses.c
++++ b/src/sg_ses.c
+@@ -5582,7 +5582,7 @@ main(int argc, char * argv[])
+         enumerate_work(op);
+         goto early_out;
+     }
+-    enc_stat_rsp = sg_memalign(op->maxlen, 0, &free_enc_stat_rsp, false);
++    enc_stat_rsp = sg_memalign(MX_ALLOC_LEN, 0, &free_enc_stat_rsp, false);
+     if (NULL == enc_stat_rsp) {
+         pr2serr("Unable to get heap for enc_stat_rsp\n");
+         goto err_out;
+-- 
+1.8.3.1
+
diff --git a/sg3_utils-1.45.tar.xz b/sg3_utils-1.45.tar.xz
deleted file mode 100644
index c7b20165d308ee0b46737e566a9f3d6f23a4a828..0000000000000000000000000000000000000000
Binary files a/sg3_utils-1.45.tar.xz and /dev/null differ
diff --git a/sg3_utils-1.46.tar.xz b/sg3_utils-1.46.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..94e211e50450669e871cbc1a88bf457f66286c1f
Binary files /dev/null and b/sg3_utils-1.46.tar.xz differ
diff --git a/sg3_utils.spec b/sg3_utils.spec
index 4adb695b2f052c318f82cbaafe9180dab994c63e..0618b16c4eaf416371d51cec3005baa4929dc289 100644
--- a/sg3_utils.spec
+++ b/sg3_utils.spec
@@ -1,6 +1,6 @@
 Name:    sg3_utils
-Version: 1.45
-Release: 4
+Version: 1.46
+Release: 1
 Summary: Utilities that send SCSI commands to devices.
 License: GPL-2.0-or-later AND BSD
 URL:     http://sg.danny.cz/sg/sg3_utils.html
@@ -10,6 +10,7 @@ Patch0: 0000-sg3_utils-1.37-rescan-scsi-findremapped-enhance.patch
 Patch1: 0001-sg3_utils-1.37-rescan-downpress.patch
 Patch2: 0002-bugfix-sg3_utils-fix-syntax-error.patch
 Patch3: 0003-sg3_utils-1.42-delete-lun-rescan-scsi-bus-report-error.patch
+Patch4: 0004-sg3_utils-fix-memset-coredump.patch
 
 Provides:      %{name}-libs
 Obsoletes:     %{name}-libs
@@ -73,6 +74,15 @@ rm -rf $RPM_BUILD_ROOT/%{_libdir}/*.la
 %{_mandir}/man8/*
 
 %changelog
+* Thu Nov 25 2021 yanglongkang <yanglongkang@huawei.com> -1.46-1
+- update to 1.46
+
+* Wed Nov 3 2021 yanglongkang <yanglongkang@huawei.com> - 1.45-6
+- sync each branch submit
+
+* Thu Oct 21 2021 yanglongkang <yanglongkang@huawei.com> - 1.45-5
+- solve coredump problem
+
 * Sat Jul 31 2021 chenyanpanHW <chenyanpan@huawei.com> - 1.45-4
 - DESC: delete -Sgit from %autosetup, and delete BuildRequires git