Sync libiberty with upstream GCC.

[binutils-gdb.git] / opcodes / aarch64-dis.c

diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
index e5fe61f51d13e06342947437ec80731f692e2628..a860dbcb003378f2717f236b72fdc60484783d72 100644 (file)
--- a/opcodes/aarch64-dis.c
+++ b/opcodes/aarch64-dis.c
@@ -20,7 +20,7 @@
 
 #include "sysdep.h"
 #include "bfd_stdint.h"
-#include "dis-asm.h"
+#include "disassemble.h"
 #include "libiberty.h"
 #include "opintl.h"
 #include "aarch64-dis.h"
@@ -409,6 +409,9 @@ aarch64_ext_ldst_reglist (const aarch64_operand *self ATTRIBUTE_UNUSED,
   info->reglist.first_regno = extract_field (FLD_Rt, code, 0);
   /* opcode */
   value = extract_field (FLD_opcode, code, 0);
+  /* PR 21595: Check for a bogus value.  */
+  if (value >= ARRAY_SIZE (data))
+    return 0;
   if (expected_num != data[value].num_elements || data[value].is_reserved)
     return 0;
   info->reglist.num_regs = data[value].num_regs;