Prevent the ASCII linker script directive from generating huge amounts of padding if the size expression is not a constant.
PR 30193 * ldgram.y (ASCII): Fail if the size is not a constant.
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 9f4ad7c..6a7bc06 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,8 @@
+2023-03-03 Nick Clifton <nickc@redhat.com>
+
+ PR 30193
+ * ldgram.y (ASCII): Fail if the size is not a constant.
+
2023-02-23 Fangrui Song <i@maskray.me>
* emultempl/riscvelf.em: Add option parsing.
diff --git a/ld/ldgram.y b/ld/ldgram.y
index faffeec..26e56fe 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -672,7 +672,10 @@
{
/* 'value' is a memory leak, do we care? */
etree_type *value = $3;
- lang_add_string (value->value.value, $5);
+ if (value->type.node_code == INT)
+ lang_add_string (value->value.value, $5);
+ else
+ einfo (_("%X%P:%pS: ASCII expression must be an integer\n"), NULL);
}
| ASCIZ NAME
{
