binutils: Fix CVE-2025-5244

PR32858 ld segfault on fuzzed object
We missed one place where it is necessary to check for empty groups.

Backport a patch from upstream to fix CVE-2025-5244
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=d1458933830456e54223d9fc61f0d9b3a19256f5]

Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>

Author: DeepeshWR

meta/recipes-devtools/binutils/binutils-2.44.inc

@@ -41,5 +41,6 @@ SRC_URI = "\
      file://0016-CVE-2025-1181-1.patch \
      file://0017-CVE-2025-1181-2.patch \
      file://0018-CVE-2025-5245.patch \
+     file://0019-CVE-2025-5244.patch \
 "
 S  = "${WORKDIR}/git"

meta/recipes-devtools/binutils/binutils/0019-CVE-2025-5244.patch

@@ -0,0 +1,25 @@
+From: Alan Modra <amodra@gmail.com>
+Date: Thu, 10 Apr 2025 19:41:49 +0930
+
+Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=d1458933830456e54223d9fc61f0d9b3a19256f5]
+CVE: CVE-2025-5244
+
+PR32858 ld segfault on fuzzed object
+We missed one place where it is necessary to check for empty groups.
+
+Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
+
+diff --git a/bfd/elflink.c b/bfd/elflink.c
+index a76e8e38da7..549b7b7dd92 100644
+--- a/bfd/elflink.c
++++ b/bfd/elflink.c
+@@ -14408,7 +14408,8 @@ elf_gc_sweep (bfd *abfd, struct bfd_link_info *info)
+ 	  if (o->flags & SEC_GROUP)
+ 	    {
+ 	      asection *first = elf_next_in_group (o);
+-	      o->gc_mark = first->gc_mark;
++	      if (first != NULL)
++		o->gc_mark = first->gc_mark;
+ 	    }
+ 
+ 	  if (o->gc_mark)