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6a1554f16d
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=8af23b30edbaedf009bc9b243cd4dfa10ae1ac09] (From OE-Core rev: 3dd27bbe8c19aa358916de940453de81d3831510) Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com> Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From 4b8386a90802ed8e43eac2266f6e03c92b4462ed Mon Sep 17 00:00:00 2001
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From: Nick Clifton <nickc@redhat.com>
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Date: Fri, 23 Dec 2022 13:02:04 +0000
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Subject: [PATCH] Fix illegal memory access parsing corrupt DWARF information.
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PR 29936
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* dwarf2.c (concat_filename): Fix check for a directory index off
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the end of the directory table.
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Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=8af23b30edbaedf009bc9b243cd4dfa10ae1ac09]
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CVE: CVE-2023-22608
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Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
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---
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bfd/dwarf2.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
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index b7839ad6..8b07a24c 100644
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--- a/bfd/dwarf2.c
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+++ b/bfd/dwarf2.c
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@@ -1828,7 +1828,8 @@ concat_filename (struct line_info_table *table, unsigned int file)
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if (table->files[file].dir
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/* PR 17512: file: 0317e960. */
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- && table->files[file].dir <= table->num_dirs
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+ && table->files[file].dir
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+ <= (table->use_dir_and_file_0 ? table->num_dirs - 1 : table->num_dirs)
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/* PR 17512: file: 7f3d2e4b. */
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&& table->dirs != NULL)
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{
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