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f86814103a
gcc stable version upgraded from v9.3 to v9.5 Below is the bug fix list for v9.5 https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&resolution=FIXED&target_milestone=9.5 (From OE-Core rev: 698c3323fd95592e815345acd9070e5089a1bd00) Signed-off-by: Sundeep KOKKONDA <sundeep.kokkonda@gmail.com> Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
49 lines
1.3 KiB
Diff
49 lines
1.3 KiB
Diff
From ac4af583bd59f6631671ad4abf985799ce4a53d9 Mon Sep 17 00:00:00 2001
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From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Thu, 25 Jul 2019 10:46:54 +0000
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Subject: [PATCH 37/39] CVE-2019-14250: Check zero value in
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simple_object_elf_match
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2019-07-25 Richard Biener <rguenther@suse.de>
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PR lto/90924
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Backport from mainline
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2019-07-12 Ren Kimura <rkx1209dev@gmail.com>
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* simple-object-elf.c (simple_object_elf_match): Check zero value
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shstrndx.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@273793 138bc75d-0d04-0410-961f-82ee72b054a4
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Upstream-Status: Backport
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Affectes: < 9.2
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CVE: CVE-2019-14250
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Dropped changelog
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Signed-off-by: Armin Kuster <Akustre@mvista.com>
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---
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libiberty/simple-object-elf.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/libiberty/simple-object-elf.c b/libiberty/simple-object-elf.c
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index 3d49f339631..c00cebdb6c7 100644
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--- a/libiberty/simple-object-elf.c
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+++ b/libiberty/simple-object-elf.c
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@@ -557,6 +557,14 @@ simple_object_elf_match (unsigned char header[SIMPLE_OBJECT_MATCH_HEADER_LEN],
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return NULL;
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}
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+ if (eor->shstrndx == 0)
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+ {
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+ *errmsg = "invalid ELF shstrndx == 0";
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+ *err = 0;
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+ XDELETE (eor);
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+ return NULL;
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+ }
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+
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return (void *) eor;
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}
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--
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2.25.1
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