Messages in this thread | | | Date | Tue, 28 Jan 2014 09:25:59 +0100 | From | Richard Weinberger <> | Subject | Re: [GIT PULL] x86/kaslr for v3.14 |
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Am 28.01.2014 07:28, schrieb Ingo Molnar: > > * Kees Cook <keescook@chromium.org> wrote: > >> On Mon, Jan 27, 2014 at 9:20 AM, Richard Weinberger <richard@nod.at> wrote: >>> Am 27.01.2014 18:05, schrieb Kees Cook: >>>> I would argue that decoding a non-panic oops on a running system is >>>> entirely possible as-is, since the offset can be found from >>>> /proc/kallsyms as root. It was the dead system that needed the offset >>>> exported: via text in the panic, or via an ELF note in a core. >>> >>> The problem is that you have to pickup information from two sources. >>> As a kernel developer users/customers often show you a backtrace (oops or panic) >>> and want you do find the problem. >>> They barley manage it copy&paste the topmost full trace from dmesg or /var/log/messages. >>> If I have to ask them a bit later to tell me the offset from /proc/kallsyms or something else >>> I'm lost. Mostly because they have already rebooted the box... >> >> As long as I can turn it off, I'd be happy. :) >> /proc/sys/kernel/kaslr_in_oops or something?
Would be nice to have! :)
> Yeah, as long as it decodes by default.
Yep. I like Ingo's idea (capital letters as indicators). Are we all fine with that?
Thanks, //richard
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