From: Mark Wielaard <mjw@redhat.com>
Date: Tue, 2 Feb 2010 19:44:53 +0000 (+0100)
Subject: libdw/fde.c (intern_fde): Fix length check for sized_augmentation_data.
X-Git-Tag: elfutils-0.145~13
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ee29a31c48e4b1ec606a311cba0a6328ce8ea448;p=thirdparty%2Felfutils.git

libdw/fde.c (intern_fde): Fix length check for sized_augmentation_data.
---

diff --git a/libdw/ChangeLog b/libdw/ChangeLog
index 97f87da07..a348b7e26 100644
--- a/libdw/ChangeLog
+++ b/libdw/ChangeLog
@@ -1,3 +1,7 @@
+2010-02-02  Mark Wielaard  <mjw@redhat.com>
+
+	* fde.c (intern_fde): Fix length check for sized_augmentation_data.
+
 2010-01-07  Roland McGrath  <roland@redhat.com>
 
 	* dwarf_getcfi_elf.c (getcfi_phdr): Use elf_getphdrnum.
diff --git a/libdw/fde.c b/libdw/fde.c
index f38eed7e3..c826114c2 100644
--- a/libdw/fde.c
+++ b/libdw/fde.c
@@ -115,7 +115,7 @@ intern_fde (Dwarf_CFI *cache, const Dwarf_FDE *entry)
 	 before its actual instruction stream.  */
       Dwarf_Word len;
       get_uleb128 (len, fde->instructions);
-      if ((Dwarf_Word) (fde->instructions_end < fde->instructions) < len)
+      if ((Dwarf_Word) (fde->instructions_end - fde->instructions) < len)
 	{
 	  free (fde);
 	  __libdw_seterrno (DWARF_E_INVALID_DWARF);