Re: [PATCH 0/5] x86/dumpstack: Cleanups and user opcode bytes Code: section

[Josh Poimboeuf]

On Tue, Feb 20, 2018 at 07:14:00PM +0000, Andy Lutomirski wrote:
> On Mon, Feb 19, 2018 at 8:28 PM, Borislav Petkov <bp@xxxxxxxxx> wrote:
> > From: Borislav Petkov <bp@xxxxxxx>
> >
> > Hi,
> >
> > so I've been thinking about doing this for a while now: be able to dump
> > the opcode bytes around the user rIP just like we do for kernel faults.
> >
> > Why?
> >
> > See patch 5's commit message. That's why I've marked it RFC.
> >
> > The rest is cleanups: we're copying the opcodes byte-by-byte and that's
> > just wasteful.
> 
> Maybe this series already has this side-effect, but I'd really love to
> see oopses show the code bytes for each kernel entry, not just the
> innermode one.  We already dump full regs including RIP -- adding
> Code: should be easy and would be very helpful.

Just to clarify, I think you want to show the Code: around regs->ip
every time we show the registers?

-- 
Josh