binutils: Fix CVE-2025-7546

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>

meta/recipes-devtools/binutils/binutils-2.38.inc

@@ -78,5 +78,6 @@ SRC_URI = "\
      file://0040-CVE-2025-1182.patch \
      file://0041-CVE-2025-5244.patch \
      file://0042-CVE-2025-5245.patch \
+     file://0043-CVE-2025-7546.patch \
 "
 S  = "${WORKDIR}/git"

meta/recipes-devtools/binutils/binutils/0043-CVE-2025-7546.patch

@@ -0,0 +1,44 @@
+From 41461010eb7c79fee7a9d5f6209accdaac66cc6b Mon Sep 17 00:00:00 2001
+From: "H.J. Lu" <hjl.tools@gmail.com>
+Date: Sat, 21 Jun 2025 06:52:00 +0800
+Subject: [PATCH] elf: Report corrupted group section
+
+Report corrupted group section instead of trying to recover.
+
+	PR binutils/33050
+	* elf.c (bfd_elf_set_group_contents): Report corrupted group
+	section.
+
+Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=41461010eb7c79fee7a9d5f6209accdaac66cc6b]
+CVE: CVE-2025-7546
+
+Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
+Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
+---
+ bfd/elf.c | 23 ++++++++++-------------
+ 1 file changed, 10 insertions(+), 13 deletions(-)
+
+diff --git a/bfd/elf.c b/bfd/elf.c
+index 14ce15c7254..ee894eb05f2 100644
+--- a/bfd/elf.c
++++ b/bfd/elf.c
+@@ -3611,8 +3611,18 @@
+ 	break;
+     }
+ 
++  /* We should always get here with loc == sec->contents + 4.  Return
++     an error for bogus SHT_GROUP sections.  */
+   loc -= 4;
+-  BFD_ASSERT (loc == sec->contents);
++  if (loc != sec->contents)
++    {
++     /* xgettext:c-format */
++      _bfd_error_handler (_("%pB: corrupted group section: `%pA'"),
++                         abfd, sec);
++      bfd_set_error (bfd_error_bad_value);
++      *failedptr = true;
++      return;
++    }
+ 
+   H_PUT_32 (abfd, sec->flags & SEC_LINK_ONCE ? GRP_COMDAT : 0, loc);
+ }