Messages in this thread | | | From | Andy Lutomirski <> | Date | Tue, 20 Feb 2018 19:14:00 +0000 | Subject | Re: [PATCH 0/5] x86/dumpstack: Cleanups and user opcode bytes Code: section |
| |
On Mon, Feb 19, 2018 at 8:28 PM, Borislav Petkov <bp@alien8.de> wrote: > From: Borislav Petkov <bp@suse.de> > > 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.
| |