grub2/0081-grub-core-fs-iso9660.c-grub_iso9660_susp_iterate-Avo.patch

From d814e848e1800f4571addb7ca2c548d67c470b30 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Thu, 3 Jan 2013 21:27:00 +0100
Subject: [PATCH 081/471] 	* grub-core/fs/iso9660.c
 (grub_iso9660_susp_iterate): Avoid hang if 	entry->len = 0.

---
 ChangeLog              | 5 +++++
 grub-core/fs/iso9660.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index e530ac3..2717f8a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-03  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/fs/iso9660.c (grub_iso9660_susp_iterate): Avoid hang if
+	entry->len = 0.
+
 2013-01-03  Colin Watson  <cjwatson@ubuntu.com>
 
 	* docs/grub.texi (Invoking grub-mkrelpath): New section.
diff --git a/grub-core/fs/iso9660.c b/grub-core/fs/iso9660.c
index cd4acc8..547e156 100644
--- a/grub-core/fs/iso9660.c
+++ b/grub-core/fs/iso9660.c
@@ -295,7 +295,7 @@ grub_iso9660_susp_iterate (grub_fshelp_node_t node, grub_off_t off,
   if (load_sua ())
     return grub_errno;
 
-  for (; (char *) entry < (char *) sua + sua_size - 1;
+  for (; (char *) entry < (char *) sua + sua_size - 1 && entry->len > 0;
        entry = (struct grub_iso9660_susp_entry *)
 	 ((char *) entry + entry->len))
     {
-- 
1.8.2.1