gcc: Upgrade to 9.3 bugfix release

This brings ~157 bugfixes [1] to gcc-9 with no features
Drop backports which are already part of the release now

[1] https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&list_id=260610&resolution=FIXED&target_milestone=9.3

(From OE-Core rev: caf80e4e245132bdc3bbe219b567013f2c5d2f46)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-9.3/0037-CVE-2019-14250-Check-zero-value-in-simple_object_elf.patch b/meta/recipes-devtools/gcc/gcc-9.3/0037-CVE-2019-14250-Check-zero-value-in-simple_object_elf.patch
new file mode 100644
index 0000000000..f268a4eb58
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-9.3/0037-CVE-2019-14250-Check-zero-value-in-simple_object_elf.patch
@@ -0,0 +1,48 @@
+From ac4af583bd59f6631671ad4abf985799ce4a53d9 Mon Sep 17 00:00:00 2001
+From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Thu, 25 Jul 2019 10:46:54 +0000
+Subject: [PATCH 37/39] CVE-2019-14250: Check zero value in
+ simple_object_elf_match
+
+2019-07-25 Richard Biener <rguenther@suse.de>
+
+        PR lto/90924
+        Backport from mainline
+        2019-07-12  Ren Kimura  <rkx1209dev@gmail.com>
+
+        * simple-object-elf.c (simple_object_elf_match): Check zero value
+        shstrndx.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@273793 138bc75d-0d04-0410-961f-82ee72b054a4
+
+Upstream-Status: Backport
+Affectes: <  9.2
+CVE: CVE-2019-14250
+Dropped changelog
+Signed-off-by: Armin Kuster <Akustre@mvista.com>
+---
+ libiberty/simple-object-elf.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/libiberty/simple-object-elf.c b/libiberty/simple-object-elf.c
+index 3d49f339631..c00cebdb6c7 100644
+--- a/libiberty/simple-object-elf.c
++++ b/libiberty/simple-object-elf.c
+@@ -557,6 +557,14 @@ simple_object_elf_match (unsigned char header[SIMPLE_OBJECT_MATCH_HEADER_LEN],
+       return NULL;
+     }
+ 
++  if (eor->shstrndx == 0)
++    {
++      *errmsg = "invalid ELF shstrndx == 0";
++      *err = 0;
++      XDELETE (eor);
++      return NULL;
++    }
++
+   return (void *) eor;
+ }
+ 
+-- 
+2.25.1
+