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-rw-r--r--ld/emultempl/pe.em11
1 files changed, 10 insertions, 1 deletions
diff --git a/ld/emultempl/pe.em b/ld/emultempl/pe.em
index 60882ce..0a5dcbf 100644
--- a/ld/emultempl/pe.em
+++ b/ld/emultempl/pe.em
@@ -1171,11 +1171,20 @@ pe_find_data_imports (void)
if (undef->type == bfd_link_hash_undefined)
{
/* C++ symbols are *long*. */
- char buf[4096];
+#define BUF_SIZE 4096
+ char buf[BUF_SIZE];
if (pe_dll_extra_pe_debug)
printf ("%s:%s\n", __FUNCTION__, undef->root.string);
+ if (strlen (undef->root.string) > (BUF_SIZE - 6))
+ {
+ /* PR linker/18466. */
+ einfo (_("%P: internal error: symbol too long: %s\n"),
+ undef->root.string);
+ return;
+ }
+
sprintf (buf, "__imp_%s", undef->root.string);
sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);