1 files changed, 55 insertions, 0 deletions
diff --git a/packages/gdb/6.8a/0000-dwarf-stack-overflow.patch b/packages/gdb/6.8a/0000-dwarf-stack-overflow.patch
new file mode 100644
index 0000000..b409c5b
--- /dev/null
+++ b/packages/gdb/6.8a/0000-dwarf-stack-overflow.patch
@@ -0,0 +1,55 @@
+Original patch from gentoo: gentoo/src/patchsets/gdb/6.8/80_all_gdb-6.5-dwarf-stack-overflow.patch
+-= BEGIN original header =-
+http://bugs.gentoo.org/144833
+
+for gdb/ChangeLog:
+2006-08-22  Will Drewry <wad@google.com>
+	    Tavis Ormandy <taviso@google.com>
+
+	* dwarf2read.c (decode_locdesc): Enforce location description stack
+	boundaries.
+	* dwarfread.c (locval): Likewise.
+
+-= END original header =-
+---
+ gdb/dwarf2read.c |   15 ++++++++++++---
+ 1 file changed, 12 insertions(+), 3 deletions(-)
+
+--- a/gdb/dwarf2read.c
++++ b/gdb/dwarf2read.c
+@@ -9124,8 +9124,7 @@
+    callers will only want a very basic result and this can become a
+    complaint.
+ 
+-   Note that stack[0] is unused except as a default error return.
+-   Note that stack overflow is not yet handled.  */
++   Note that stack[0] is unused except as a default error return. */
+ 
+ static CORE_ADDR
+ decode_locdesc (struct dwarf_block *blk, struct dwarf2_cu *cu)
+@@ -9142,7 +9141,7 @@
+ 
+   i = 0;
+   stacki = 0;
+-  stack[stacki] = 0;
++  stack[++stacki] = 0;
+ 
+   while (i < size)
+     {
+@@ -9324,6 +9323,16 @@
+ 		     dwarf_stack_op_name (op));
+ 	  return (stack[stacki]);
+ 	}
++      /* Enforce maximum stack depth of size-1 to avoid ++stacki writing
++         outside of the allocated space. Also enforce minimum > 0.
++         -- wad@google.com 14 Aug 2006 */
++      if (stacki >= sizeof (stack) / sizeof (*stack) - 1)
++	internal_error (__FILE__, __LINE__,
++	                _("location description stack too deep: %d"),
++	                stacki);
++      if (stacki <= 0)
++	internal_error (__FILE__, __LINE__,
++	                _("location description stack too shallow"));
+     }
+   return (stack[stacki]);
+ }