Clear out memory for rb_big_new

peterzhu2118 · peterzhu2118 · commit 58ece00dd50f · 2025-09-17T09:25:17.000-04:00
diff --git a/bignum.c b/bignum.c
@@ -3055,7 +3055,9 @@ bignew_1(VALUE klass, size_t len, int sign)
 VALUE
 rb_big_new(size_t len, int sign)
 {
-    return bignew(len, sign != 0);
+    VALUE obj = bignew(len, sign != 0);
+    memset(BIGNUM_DIGITS(obj), 0, len * sizeof(BDIGIT));
+    return obj;
 }
 
 VALUE

Original file line number	Diff line number	Diff line change
`@@ -3055,7 +3055,9 @@ bignew_1(VALUE klass, size_t len, int sign)`
`3055`	`3055`	`VALUE`
`3056`	`3056`	`rb_big_new(size_t len, int sign)`
`3057`	`3057`	`{`
`3058`		`- return bignew(len, sign != 0);`
	`3058`	`+ VALUE obj = bignew(len, sign != 0);`
	`3059`	`+ memset(BIGNUM_DIGITS(obj), 0, len * sizeof(BDIGIT));`
	`3060`	`+ return obj;`
`3059`	`3061`	`}`
`3060`	`3062`
`3061`	`3063`	`VALUE`