From: Alan Modra <amodra@gmail.com>
Date: Mon, 8 Nov 2021 22:32:22 +0000 (+1030)
Subject: PR28543, readelf entered an infinite loop
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=84f82c95bcd48042437bfd08c77866414c69476f;p=binutils-gdb.git

PR28543, readelf entered an infinite loop

This little tweak terminates fuzzed binary readelf output a little
quicker.

	PR 28543
	* dwarf.c (read_and_display_attr_value): Consume a byte when
	form is unrecognized.
---

diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index d80235fb206..ce54813a076 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -2743,6 +2743,8 @@ read_and_display_attr_value (unsigned long           attribute,
       
     default:
       warn (_("Unrecognized form: 0x%lx\n"), form);
+      /* What to do?  Consume a byte maybe?  */
+      ++data;
       break;
     }