volume.c: Fix insufficient buffer space for intermediate path elements.

unsound · unsound · commit 981d17bccf8c · 2025-07-26T15:19:28.000+03:00
diff --git a/librefs/volume.c b/librefs/volume.c
@@ -589,7 +589,7 @@ static int refs_volume_lookup(
 
 	memset(&visitor, 0, sizeof(visitor));
 
-	err = sys_malloc(cur_element_capacity, &cur_element);
+	err = sys_malloc(cur_element_capacity * sizeof(refschar), &cur_element);
 	if(err) {
 		goto out;
 	}

Original file line number	Diff line number	Diff line change
`@@ -589,7 +589,7 @@ static int refs_volume_lookup(`
`589`	`589`
`590`	`590`	`memset(&visitor, 0, sizeof(visitor));`
`591`	`591`
`592`		`- err = sys_malloc(cur_element_capacity, &cur_element);`
	`592`	`+ err = sys_malloc(cur_element_capacity * sizeof(refschar), &cur_element);`
`593`	`593`	`if(err) {`
`594`	`594`	`goto out;`
`595`	`595`	`}`