On Wed, 2017-06-07 at 17:49 +0200, Borislav Petkov wrote:
> On Fri, May 05, 2017 at 11:17:14AM -0700, Ricardo Neri wrote:
> > @@ -697,18 +753,21 @@ void __user *insn_get_addr_ref(struct insn *insn, struct pt_regs *regs)
> > {
> > unsigned long linear_addr, seg_base_addr, seg_limit;
> > long eff_addr, base, indx;
> > - int addr_offset, base_offset, indx_offset;
> > + int addr_offset, base_offset, indx_offset, addr_bytes;
> > insn_byte_t sib;
> >
> > insn_get_modrm(insn);
> > insn_get_sib(insn);
> > sib = insn->sib.value;
> > + addr_bytes = insn->addr_bytes;
> >
> > if (X86_MODRM_MOD(insn->modrm.value) == 3) {
> > addr_offset = get_reg_offset(insn, regs, REG_TYPE_RM);
> > if (addr_offset < 0)
> > goto out_err;
> > - eff_addr = regs_get_register(regs, addr_offset);
> > + eff_addr = get_mem_offset(regs, addr_offset, addr_bytes);
> > + if (eff_addr == -1L)
> > + goto out_err;
> > seg_base_addr = insn_get_seg_base(regs, insn, addr_offset);
> > if (seg_base_addr == -1L)
> > goto out_err;
>
> This code here is too dense, it needs spacing for better readability.
I have spaced out in my upcoming version.
Thanks and BR,
Ricardo
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