src/http/modules/ngx_http_log_module.c:1359: error: Buffer Overrun L3
  Offset: [3, +oo] (⇐ 3 + [0, +oo]) Size: [1, +oo] by call to `ngx_http_compile_complex_value`.

src/http/modules/ngx_http_log_module.c:1205:5: Assignment
1203.     flush = 0;
1204.     gzip = 0;
1205.     filter.len = 0;
          ^
1206. 
1207.     for (i = 3; i < cf->args->nelts; i++) {

src/http/modules/ngx_http_log_module.c:1359:13: Call
1357.         ccv.complex_value = log->filter;
1358. 
1359.         if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
                  ^
1360.             return NGX_CONF_ERROR;
1361.         }

src/http/ngx_http_script.c:107:1: <Offset trace>
105. 
106. 
107. ngx_int_t
     ^
108. ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv)
109. {

src/http/ngx_http_script.c:107:1: Parameter `ccv->value->len`
  105. 
  106. 
  107. ngx_int_t
       ^
  108. ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv)
  109. {

src/http/ngx_http_script.c:107:1: <Length trace>
105. 
106. 
107. ngx_int_t
     ^
108. ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv)
109. {

src/http/ngx_http_script.c:107:1: Parameter `*ccv->value->data`
  105. 
  106. 
  107. ngx_int_t
       ^
  108. ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv)
  109. {

src/http/ngx_http_script.c:121:13: Array access: Offset: [3, +oo] (⇐ 3 + [0, +oo]) Size: [1, +oo] by call to `ngx_http_compile_complex_value` 
  119. 
  120.     for (i = 0; i < v->len; i++) {
  121.         if (v->data[i] == '$') {
                   ^
  122.             if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') {
  123.                 nc++;
