* Josh Poimboeuf wrote:
> On Mon, Nov 27, 2017 at 10:38:42AM +0100, Ingo Molnar wrote:
> >
> > * Josh Poimboeuf wrote:
> >
> > > On Sat, Nov 25, 2017 at 04:16:23PM -0800, Andy Lutomirski wrote:
> > > > Can you send me whatever config and exact commit hash generated this?
> > > > I can try to
On Mon, Nov 27, 2017 at 10:38:42AM +0100, Ingo Molnar wrote:
>
> * Josh Poimboeuf wrote:
>
> > On Sat, Nov 25, 2017 at 04:16:23PM -0800, Andy Lutomirski wrote:
> > > Can you send me whatever config and exact commit hash generated this?
> > > I can try to figure out why it failed.
> >
> > Sorry,
* Ingo Molnar wrote:
> Will only push it out if it passes testing.
So far it required the small fix below for 32-bit.
Thanks,
Ingo
---
arch/x86/kernel/dumpstack.c | 7 +++
arch/x86/kernel/process_64.c | 7 ---
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/a
* Josh Poimboeuf wrote:
> On Sat, Nov 25, 2017 at 04:16:23PM -0800, Andy Lutomirski wrote:
> > Can you send me whatever config and exact commit hash generated this?
> > I can try to figure out why it failed.
>
> Sorry, I've been traveling. I just got some time to take a look at
> this. I thin
On Sat, 25 Nov 2017, Josh Poimboeuf wrote:
> It looks a *lot* better with mine and your patches applied. It probably
> would have helped Ingo and Thomas figure the problem out a lot sooner:
> [1.159583] CS: 0010 DS: ES: CR0: 80050033
> [1.159583] CR2: ff083fb8
On Sat, Nov 25, 2017 at 10:41:15PM -0600, Josh Poimboeuf wrote:
> On Sat, Nov 25, 2017 at 08:25:12PM -0800, Andy Lutomirski wrote:
> > On Sat, Nov 25, 2017 at 6:40 PM, Josh Poimboeuf wrote:
> > > On Sat, Nov 25, 2017 at 04:16:23PM -0800, Andy Lutomirski wrote:
> > >> Can you send me whatever confi
On Sat, Nov 25, 2017 at 08:25:12PM -0800, Andy Lutomirski wrote:
> On Sat, Nov 25, 2017 at 6:40 PM, Josh Poimboeuf wrote:
> > On Sat, Nov 25, 2017 at 04:16:23PM -0800, Andy Lutomirski wrote:
> >> Can you send me whatever config and exact commit hash generated this?
> >> I can try to figure out why
On Sat, Nov 25, 2017 at 6:40 PM, Josh Poimboeuf wrote:
> On Sat, Nov 25, 2017 at 04:16:23PM -0800, Andy Lutomirski wrote:
>> Can you send me whatever config and exact commit hash generated this?
>> I can try to figure out why it failed.
>
> Sorry, I've been traveling. I just got some time to take
On Sat, Nov 25, 2017 at 04:16:23PM -0800, Andy Lutomirski wrote:
> Can you send me whatever config and exact commit hash generated this?
> I can try to figure out why it failed.
Sorry, I've been traveling. I just got some time to take a look at
this. I think there are at least two unwinder issue
Can you send me whatever config and exact commit hash generated this?
I can try to figure out why it failed.
On Sat, Nov 25, 2017 at 3:13 PM, Thomas Gleixner wrote:
> On Sat, 25 Nov 2017, Andy Lutomirski wrote:
>
>> On Sat, Nov 25, 2017 at 9:28 AM, Andy Lutomirski wrote:
>> > If we overflow the
On Sat, 25 Nov 2017, Andy Lutomirski wrote:
> On Sat, Nov 25, 2017 at 9:28 AM, Andy Lutomirski wrote:
> > If we overflow the stack into a guard page and then try to unwind
> > it with ORC, it should work perfectly: by construction, there can't
> > be any meaningful data in the guard page because
On Sat, Nov 25, 2017 at 9:28 AM, Andy Lutomirski wrote:
> If we overflow the stack into a guard page and then try to unwind
> it with ORC, it should work perfectly: by construction, there can't
> be any meaningful data in the guard page because no writes to the
> guard page will have succeeded.
>
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