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authorNatanael Copa <ncopa@alpinelinux.org>2010-10-23 10:14:13 +0000
committerNatanael Copa <ncopa@alpinelinux.org>2010-10-23 10:14:13 +0000
commitbbb5b98876a4b299c0af11ebdd3dcb66888af322 (patch)
treeb2ab4704217dca6e8d7f5d13453d8c598787576e /main/gdb/80_all_gdb-6.5-dwarf-stack-overflow.patch
parentd666f38c767db33ee765c73fba530d15574effc0 (diff)
downloadaports-bbb5b98876a4b299c0af11ebdd3dcb66888af322.tar.bz2
aports-bbb5b98876a4b299c0af11ebdd3dcb66888af322.tar.xz
Revert "Revert "main/gdb: upgrade to 7.2""
Diffstat (limited to 'main/gdb/80_all_gdb-6.5-dwarf-stack-overflow.patch')
-rw-r--r--main/gdb/80_all_gdb-6.5-dwarf-stack-overflow.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/main/gdb/80_all_gdb-6.5-dwarf-stack-overflow.patch b/main/gdb/80_all_gdb-6.5-dwarf-stack-overflow.patch
new file mode 100644
index 0000000000..2c3c2cbae6
--- /dev/null
+++ b/main/gdb/80_all_gdb-6.5-dwarf-stack-overflow.patch
@@ -0,0 +1,54 @@
+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.
+
+2007-10-15 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ Port to GDB-6.7.
+
+Index: gdb-6.7/gdb/dwarf2read.c
+===================================================================
+--- gdb-6.7.orig/gdb/dwarf2read.c 2007-10-15 00:08:30.000000000 +0200
++++ gdb-6.7/gdb/dwarf2read.c 2007-10-15 21:42:43.000000000 +0200
+@@ -9070,8 +9070,7 @@ dwarf2_fundamental_type (struct objfile
+ 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)
+@@ -9088,7 +9087,7 @@ decode_locdesc (struct dwarf_block *blk,
+
+ i = 0;
+ stacki = 0;
+- stack[stacki] = 0;
++ stack[++stacki] = 0;
+
+ while (i < size)
+ {
+@@ -9270,6 +9269,16 @@ decode_locdesc (struct dwarf_block *blk,
+ 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]);
+ }