5 files changed, 24 insertions, 0 deletions
diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index 743fe0c0c..a41b496dc 100644
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -3781,6 +3781,11 @@ ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
         return NGX_CONF_OK;
     }
 
+    if (value[1].len == 0) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty path");
+        return NGX_CONF_ERROR;
+    }
+
 #if (NGX_HTTP_CACHE)
     if (flcf->upstream.cache > 0) {
         return "is incompatible with \"fastcgi_cache\"";
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 25fa92bae..855ef523d 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -4943,6 +4943,11 @@ ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
         return NGX_CONF_OK;
     }
 
+    if (value[1].len == 0) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty path");
+        return NGX_CONF_ERROR;
+    }
+
 #if (NGX_HTTP_CACHE)
     if (plcf->upstream.cache > 0) {
         return "is incompatible with \"proxy_cache\"";
diff --git a/src/http/modules/ngx_http_scgi_module.c b/src/http/modules/ngx_http_scgi_module.c
index 671cd2cb7..9023a36e4 100644
--- a/src/http/modules/ngx_http_scgi_module.c
+++ b/src/http/modules/ngx_http_scgi_module.c
@@ -1995,6 +1995,11 @@ ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
         return NGX_CONF_OK;
     }
 
+    if (value[1].len == 0) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty path");
+        return NGX_CONF_ERROR;
+    }
+
 #if (NGX_HTTP_CACHE)
     if (scf->upstream.cache > 0) {
         return "is incompatible with \"scgi_cache\"";
diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
index f42ae706a..7988cc589 100644
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -2322,6 +2322,11 @@ ngx_http_uwsgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
         return NGX_CONF_OK;
     }
 
+    if (value[1].len == 0) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty path");
+        return NGX_CONF_ERROR;
+    }
+
 #if (NGX_HTTP_CACHE)
 
     if (uwcf->upstream.cache > 0) {
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 82a230024..d95662c56 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -4357,6 +4357,10 @@ ngx_http_upstream_store(ngx_http_request_t *r, ngx_http_upstream_t *u)
                    "upstream stores \"%s\" to \"%s\"",
                    tf->file.name.data, path.data);
 
+    if (path.len == 0) {
+        return;
+    }
+
     (void) ngx_ext_rename_file(&tf->file.name, &path, &ext);
 
     u->store = 0;