Prevent buffer overflow in cs_regs_access on ud0 (#1122)
By setting instr->Opcode, ud0 is correctly found in insns, and insn->detail is correctly initialized by X86_get_insn_id.
diff --git a/arch/X86/X86Disassembler.c b/arch/X86/X86Disassembler.c
index b6eca36..95ed978 100644
--- a/arch/X86/X86Disassembler.c
+++ b/arch/X86/X86Disassembler.c
@@ -959,6 +959,7 @@
reader(&info, &b1, address);
reader(&info, &b2, address + 1);
if (b1 == 0x0f && b2 == 0xff) {
+ instr->Opcode = X86_UD0;
instr->OpcodePub = X86_INS_UD0;
strncpy(instr->assembly, "ud0", 4);
if (instr->flat_insn->detail) {
