diff --git a/backport-CVE-2021-43519.patch b/backport-CVE-2021-43519.patch
index acf125e42bd7783128505f08cf60fec5335cb8ff..b076b9b3ac53dda1f9907ee8f1819a8ce8a60d1c 100644
--- a/backport-CVE-2021-43519.patch
+++ b/backport-CVE-2021-43519.patch
@@ -7,15 +7,40 @@ Subject: [PATCH] Bug: C stack overflow with coroutines
 continuing execution after a protected error (that is,
 while running 'precover').
 ---
- src/ldo.c             |  6 ++++--
- testes/cstack.lua | 14 ++++++++++++++
+ lua-5.4.3-tests/cstack.lua | 14 ++++++++++++++
+ src/ldo.c                  |  6 ++++--
  2 files changed, 18 insertions(+), 2 deletions(-)
 
+diff --git a/lua-5.4.3-tests/cstack.lua b/lua-5.4.3-tests/cstack.lua
+index 213d15d..ca76c87 100644
+--- a/lua-5.4.3-tests/cstack.lua
++++ b/lua-5.4.3-tests/cstack.lua
+@@ -103,6 +103,20 @@ do
+ end
+ 
+ 
++do    -- bug in 5.4.2
++  print("nesting coroutines running after recoverable errors")
++  local count = 0
++  local function foo()
++    count = count + 1
++    pcall(1)   -- create an error
++    -- running now inside 'precover' ("protected recover")
++    coroutine.wrap(foo)()   -- call another coroutine
++  end
++  checkerror("C stack overflow", foo)
++  print("final count: ", count)
++end
++
++
+ if T then
+   print("testing stack recovery")
+   local N = 0      -- trace number of calls
 diff --git a/src/ldo.c b/src/ldo.c
-index d0edc8b4f..66f890364 100644
+index 7135079..ca558fd 100644
 --- a/src/ldo.c
 +++ b/src/ldo.c
-@@ -759,11 +759,10 @@ static void resume (lua_State *L, void *ud) {
+@@ -728,11 +728,10 @@ static void resume (lua_State *L, void *ud) {
    StkId firstArg = L->top - n;  /* first argument */
    CallInfo *ci = L->ci;
    if (L->status == LUA_OK)  /* starting a coroutine? */
@@ -28,7 +53,7 @@ index d0edc8b4f..66f890364 100644
      if (isLua(ci)) {  /* yielded inside a hook? */
        L->top = firstArg;  /* discard arguments */
        luaV_execute(L, ci);  /* just continue running Lua code */
-@@ -814,6 +813,9 @@ LUA_API int lua_resume (lua_State *L, lua_State *from, int nargs,
+@@ -783,6 +782,9 @@ LUA_API int lua_resume (lua_State *L, lua_State *from, int nargs,
    else if (L->status != LUA_YIELD)  /* ended with errors? */
      return resume_error(L, "cannot resume dead coroutine", nargs);
    L->nCcalls = (from) ? getCcalls(from) : 0;
@@ -38,28 +63,6 @@ index d0edc8b4f..66f890364 100644
    luai_userstateresume(L, nargs);
    api_checknelems(L, (L->status == LUA_OK) ? nargs + 1 : nargs);
    status = luaD_rawrunprotected(L, resume, &nargs);
-diff --git a/testes/cstack.lua b/testes/cstack.lua
-index 213d15d47..ca76c8729 100644
---- a/testes/cstack.lua
-+++ b/testes/cstack.lua
-@@ -103,6 +103,20 @@ do
- end
- 
- 
-+do    -- bug in 5.4.2
-+  print("nesting coroutines running after recoverable errors")
-+  local count = 0
-+  local function foo()
-+    count = count + 1
-+    pcall(1)   -- create an error
-+    -- running now inside 'precover' ("protected recover")
-+    coroutine.wrap(foo)()   -- call another coroutine
-+  end
-+  checkerror("C stack overflow", foo)
-+  print("final count: ", count)
-+end
-+
-+
- if T then
-   print("testing stack recovery")
-   local N = 0      -- trace number of calls
+-- 
+1.8.3.1
+
diff --git a/lua.spec b/lua.spec
index 14e12b7d71587ba58d2cc6fffc9189c75397e340..cc1f5189946904258e045eb92ff6cb077e211d4f 100644
--- a/lua.spec
+++ b/lua.spec
@@ -6,7 +6,7 @@
 
 Name:           lua
 Version:        5.4.3
-Release:        4
+Release:        5
 Summary:        A powerful, efficient, lightweight, embeddable scripting language
 License:        MIT
 URL:            http://www.lua.org/
@@ -56,6 +56,8 @@ mv src/luaconf.h src/luaconf.h.template.in
 %patch1 -p1 -z .idsize
 %patch2 -p1 -z .configure-linux
 %patch3 -p1 -z .configure-compat-all
+%patch6000 -p1
+
 # Put proper version in configure.ac, patch0 hardcodes 5.3.0
 sed -i 's|5.3.0|%{version}|g' configure.ac
 autoreconf -ifv
@@ -129,6 +131,9 @@ LD_LIBRARY_PATH=$RPM_BUILD_ROOT/%{_libdir} $RPM_BUILD_ROOT/%{_bindir}/lua -e"_U=
 %{_mandir}/man1/lua*.1*
 
 %changelog
+* Thu Apr 14 2022 shixuantong <shixuantong@h-partners.com> - 5.4.3-5
+- fix CVE-2021-43519 patch error 
+
 * Fri Apr 01 2022 shixuantong <shixuantong@h-partners.com> - 5.4.3-4
 - fix CVE-2021-43519