gcc: Security fix CVE-2016-4489
(From OE-Core rev: 84a1642f89801648728c61d3af42926b95533e07) Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -91,6 +91,7 @@ SRC_URI = "\
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file://0059-libgcc-use-ldflags.patch \
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file://0060-remove-prototypes-cfns.patch \
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file://CVE-2016-4488.patch \
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file://CVE-2016-4489.patch \
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"
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BACKPORTS = ""
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@ -0,0 +1,56 @@
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From 053ec2207203a194d2ae82e2f164009aad3f14d2 Mon Sep 17 00:00:00 2001
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From: bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Fri, 8 Apr 2016 12:06:59 +0000
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Subject: [PATCH] =?UTF-8?q?Handle=20an=20overflow=20case=20(PR70498,=20pat?=
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=?UTF-8?q?ch=20by=20Marcel=20B=C3=B6hme).?=
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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PR c++/70498
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* cplus-dem.c (gnu_special): Handle case where consume_count returns
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-1.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234828 138bc75d-0d04-0410-961f-82ee72b054a4
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Upstream-Status: Backport
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CVE: CVE-2016-4489
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Signed-off-by: Armin Kuster <akuster@mvista.com>
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---
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libiberty/ChangeLog | 6 ++++++
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libiberty/cplus-dem.c | 5 +++++
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2 files changed, 11 insertions(+)
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Index: gcc-5.3.0/libiberty/ChangeLog
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===================================================================
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--- gcc-5.3.0.orig/libiberty/ChangeLog
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+++ gcc-5.3.0/libiberty/ChangeLog
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@@ -1,3 +1,9 @@
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+2016-04-08 Marcel Böhme <boehme.marcel@gmail.com>
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+
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+ PR c++/70498
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+ * cplus-dem.c (gnu_special): Handle case where consume_count returns
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+ -1.
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+
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2016-03-31 Mikhail Maltsev <maltsevm@gmail.com>
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Marcel Bohme boehme.marcel@gmail.com
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Index: gcc-5.3.0/libiberty/cplus-dem.c
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===================================================================
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--- gcc-5.3.0.orig/libiberty/cplus-dem.c
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+++ gcc-5.3.0/libiberty/cplus-dem.c
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@@ -3001,6 +3001,11 @@ gnu_special (struct work_stuff *work, co
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success = 1;
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break;
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}
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+ else if (n == -1)
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+ {
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+ success = 0;
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+ break;
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+ }
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}
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else
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{
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