Fix crash on failure to read bytecode (penneryu)

Fabrice Bellard · Fabrice Bellard · commit 391cd3feff17 · 2025-09-13T10:22:24.000+02:00
diff --git a/quickjs.c b/quickjs.c
@@ -34924,7 +34924,8 @@ static void free_function_bytecode(JSRuntime *rt, JSFunctionBytecode *b)
                JS_AtomGetStrRT(rt, buf, sizeof(buf), b->func_name));
     }
 #endif
-    free_bytecode_atoms(rt, b->byte_code_buf, b->byte_code_len, TRUE);
+    if (b->byte_code_buf)
+        free_bytecode_atoms(rt, b->byte_code_buf, b->byte_code_len, TRUE);
 
     if (b->vardefs) {
         for(i = 0; i < b->arg_count + b->var_count; i++) {

Original file line number	Diff line number	Diff line change
`@@ -34924,7 +34924,8 @@ static void free_function_bytecode(JSRuntime rt, JSFunctionBytecode b)`
`34924`	`34924`	`JS_AtomGetStrRT(rt, buf, sizeof(buf), b->func_name));`
`34925`	`34925`	`}`
`34926`	`34926`	`#endif`
`34927`		`- free_bytecode_atoms(rt, b->byte_code_buf, b->byte_code_len, TRUE);`
	`34927`	`+ if (b->byte_code_buf)`
	`34928`	`+ free_bytecode_atoms(rt, b->byte_code_buf, b->byte_code_len, TRUE);`
`34928`	`34929`
`34929`	`34930`	`if (b->vardefs) {`
`34930`	`34931`	`for(i = 0; i < b->arg_count + b->var_count; i++) {`