binutils: Fix CVE-2025-5245

PR32829, SEGV on objdump function debug_type_samep
u.kenum is always non-NULL, see debug_make_enum_type.

Backport a patch from upstream to fix CVE-2025-5245
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=6c3458a8b7ee7d39f070c7b2350851cb2110c65a]

(From OE-Core rev: ad946d34d1a4536b0431cb74ce29b47a0367b0ae)

Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

2 files changed, 39 insertions, 0 deletions

diff --git a/meta/recipes-devtools/binutils/binutils-2.44.inc b/meta/recipes-devtools/binutils/binutils-2.44.inc
index 8855fa709a..0f0befe30e 100644
--- a/meta/recipes-devtools/binutils/binutils-2.44.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.44.inc
@@ -42,5 +42,6 @@ SRC_URI = "\
      file://0017-CVE-2025-1181-2.patch \
      file://0016-CVE-2025-5244.patch \
      file://0016-CVE-2025-3198.patch \
+     file://0018-CVE-2025-5245.patch \
 "
 S  = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/0018-CVE-2025-5245.patch b/meta/recipes-devtools/binutils/binutils/0018-CVE-2025-5245.patch
new file mode 100644
index 0000000000..d4b7d55966
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0018-CVE-2025-5245.patch
@@ -0,0 +1,38 @@
+From: Alan Modra <amodra@gmail.com>
+Date: Tue, 1 Apr 2025 22:36:54 +1030
+
+PR32829, SEGV on objdump function debug_type_samep
+u.kenum is always non-NULL, see debug_make_enum_type.
+
+Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=6c3458a8b7ee7d39f070c7b2350851cb2110c65a]
+CVE: CVE-2025-5245
+
+Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
+
+diff --git a/binutils/debug.c b/binutils/debug.c
+index dcc8ccde..465b18e7 100644
+--- a/binutils/debug.c
++++ b/binutils/debug.c
+@@ -2554,9 +2554,6 @@ debug_write_type (struct debug_handle *info,
+     case DEBUG_KIND_UNION_CLASS:
+       return debug_write_class_type (info, fns, fhandle, type, tag);
+     case DEBUG_KIND_ENUM:
+-      if (type->u.kenum == NULL)
+-       return (*fns->enum_type) (fhandle, tag, (const char **) NULL,
+-                                 (bfd_signed_vma *) NULL);
+       return (*fns->enum_type) (fhandle, tag, type->u.kenum->names,
+                                type->u.kenum->values);
+     case DEBUG_KIND_POINTER:
+@@ -3097,9 +3094,9 @@ debug_type_samep (struct debug_handle *info, struct debug_type_s *t1,
+       break;
+ 
+     case DEBUG_KIND_ENUM:
+-      if (t1->u.kenum == NULL)
+-       ret = t2->u.kenum == NULL;
+-      else if (t2->u.kenum == NULL)
++      if (t1->u.kenum->names == NULL)
++       ret = t2->u.kenum->names == NULL;
++      else if (t2->u.kenum->names == NULL)
+        ret = false;
+       else
+        {