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6d092834bd
Affects <= 2.30 (From OE-Core rev: 3c83b9be884015e238249c0382299aedf4d81459) Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
46 lines
1.3 KiB
Diff
46 lines
1.3 KiB
Diff
From 6327533b1fd29fa86f6bf34e61c332c010e3c689 Mon Sep 17 00:00:00 2001
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From: Nick Clifton <nickc@redhat.com>
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Date: Tue, 17 Apr 2018 14:30:07 +0100
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Subject: [PATCH] Add a check for a NULL table pointer before attempting to
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compute a DWARF filename.
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PR 23065
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* dwarf2.c (concat_filename): Check for a NULL table pointer.
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Upstream-Status: Backport
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Affects: Binutils <= 2.30
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CVE: CVE-2018-10373
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Signed-off-by: Armin Kuster <akuster@mvista.com>
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---
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bfd/ChangeLog | 5 +++++
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bfd/dwarf2.c | 2 +-
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2 files changed, 6 insertions(+), 1 deletion(-)
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Index: git/bfd/dwarf2.c
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===================================================================
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--- git.orig/bfd/dwarf2.c
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+++ git/bfd/dwarf2.c
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@@ -1565,7 +1565,7 @@ concat_filename (struct line_info_table
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{
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char *filename;
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- if (file - 1 >= table->num_files)
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+ if (table == NULL || file - 1 >= table->num_files)
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{
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/* FILE == 0 means unknown. */
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if (file)
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Index: git/bfd/ChangeLog
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===================================================================
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--- git.orig/bfd/ChangeLog
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+++ git/bfd/ChangeLog
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@@ -1,3 +1,8 @@
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+2018-04-17 Nick Clifton <nickc@redhat.com>
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+
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+ PR 23065
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+ * dwarf2.c (concat_filename): Check for a NULL table pointer.
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+
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2018-01-29 Alan Modra <amodra@gmail.com>
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PR 22741
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