* ch-valprint.c (chill_val_print): To avoid segfaults, don't print

a string whose dynamic length is longer than its static length.

diff --git a/gdb/ch-valprint.c b/gdb/ch-valprint.c
index 796172fb1733f8c85442d77a069709b442072445..911c693f3c0e8ca5163fe2e3089076949aa66685 100644 (file)
--- a/gdb/ch-valprint.c
+++ b/gdb/ch-valprint.c
@@ -422,11 +422,15 @@ chill_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
          switch (TYPE_CODE (inner))
            {
            case TYPE_CODE_STRING:
-             if (length > TYPE_LENGTH (type))
+             if (length > TYPE_LENGTH (type) - 2)
                {
                  fprintf_filtered (stream,
-                                   "<dynamic length %ld > static length %d>",
+                                   "<dynamic length %ld > static length %d> *invalid*",
                                    length, TYPE_LENGTH (type));
+
+                 /* Don't print the string; doing so might produce a
+                    segfault.  */
+                 return length;
                }
              LA_PRINT_STRING (stream, data_addr, length, 0);
              return length;