From: Nick Clifton <nickc@redhat.com>
Date: Wed, 3 Apr 2024 10:19:33 +0000 (+0100)
Subject: Fix null pointer dereference in process_debug_info()
X-Git-Tag: gdb-15-branchpoint~509
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=301bfc45abb5ea2824a4d1820183b58d0d67357d;p=thirdparty%2Fbinutils-gdb.git

Fix null pointer dereference in process_debug_info()
---

diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 92a07e00e9b..ce508d0315f 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -4248,14 +4248,17 @@ process_debug_info (struct dwarf_section * section,
 			  compunit.cu_version,
 			  debug_info_p);
 
-	      /* This check was in place before, keep it.  */
-	      stemp = debug_info_p->rnglists_base;
-	      if (stemp < 0)
+	      if (debug_info_p)
 		{
-		  warn (_("CU @ %#" PRIx64 " has has a negative rnglists_base "
-			  "value of %#" PRIx64 " - treating as zero"),
-			debug_info_p->cu_offset, stemp);
-		  debug_info_p->rnglists_base = 0;
+		  /* This check was in place before, keep it.  */
+		  stemp = debug_info_p->rnglists_base;
+		  if (stemp < 0)
+		    {
+		      warn (_("CU @ %#" PRIx64 " has has a negative rnglists_base "
+			      "value of %#" PRIx64 " - treating as zero"),
+			    debug_info_p->cu_offset, stemp);
+		      debug_info_p->rnglists_base = 0;
+		    }
 		}
 	    }