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Report corrupted group section instead of trying to recover. CVE: CVE-2025-7546 Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=41461010eb7c79fee7a9d5f6209accdaac66cc6b] PR 33050 [https://sourceware.org/bugzilla/show_bug.cgi?id=33050] (From OE-Core rev: 5860b954681c37ac6685631cce439fd349093689) Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com> Signed-off-by: Steve Sakoman <steve@sakoman.com>
45 lines
1.3 KiB
Diff
45 lines
1.3 KiB
Diff
From 41461010eb7c79fee7a9d5f6209accdaac66cc6b Mon Sep 17 00:00:00 2001
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From: "H.J. Lu" <hjl.tools@gmail.com>
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Date: Sat, 21 Jun 2025 06:52:00 +0800
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Subject: [PATCH] elf: Report corrupted group section
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Report corrupted group section instead of trying to recover.
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PR binutils/33050
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* elf.c (bfd_elf_set_group_contents): Report corrupted group
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section.
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Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=41461010eb7c79fee7a9d5f6209accdaac66cc6b]
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CVE: CVE-2025-7546
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Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
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---
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bfd/elf.c | 23 ++++++++++-------------
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1 file changed, 10 insertions(+), 13 deletions(-)
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diff --git a/bfd/elf.c b/bfd/elf.c
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index 14ce15c7254..ee894eb05f2 100644
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--- a/bfd/elf.c
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+++ b/bfd/elf.c
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@@ -3611,8 +3611,18 @@
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break;
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}
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+ /* We should always get here with loc == sec->contents + 4. Return
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+ an error for bogus SHT_GROUP sections. */
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loc -= 4;
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- BFD_ASSERT (loc == sec->contents);
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+ if (loc != sec->contents)
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+ {
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+ /* xgettext:c-format */
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+ _bfd_error_handler (_("%pB: corrupted group section: `%pA'"),
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+ abfd, sec);
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+ bfd_set_error (bfd_error_bad_value);
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+ *failedptr = true;
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+ return;
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+ }
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H_PUT_32 (abfd, sec->flags & SEC_LINK_ONCE ? GRP_COMDAT : 0, loc);
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}
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