On 2015/07/08 0:11, Vince Weaver wrote:
> On Tue, 7 Jul 2015, Vince Weaver wrote:
>
>> On Tue, 7 Jul 2015, Masami Hiramatsu wrote:
>>
It's a Hawell machine running 4.2-rc1. I can post the .config if it's of
interest.
>>>
>>> Yes, I'm interested in.
>>
>> I've put it here:
>> http:
On 2015/07/08 6:21, Alexei Starovoitov wrote:
> On Tue, Jul 07, 2015 at 05:08:51PM -0400, Vince Weaver wrote:
>> On Tue, 7 Jul 2015, Alexei Starovoitov wrote:
>>
>>> On Tue, Jul 07, 2015 at 12:00:12AM -0400, Vince Weaver wrote:
Well the BPF hack is in the fuzzer, not the kernel. And it's
Hi Vince,
On 2015/07/08 3:06, Vince Weaver wrote:
> On Tue, 7 Jul 2015, Steven Rostedt wrote:
>
>> On Tue, 7 Jul 2015 11:06:55 -0400 (EDT)
>> Probably. If you recompiled the kernel, you need to find the new
>> address points.
>
> should these messages really be spamming the syslog?
>
> I update
On Tue, Jul 07, 2015 at 05:08:51PM -0400, Vince Weaver wrote:
> On Tue, 7 Jul 2015, Alexei Starovoitov wrote:
>
> > On Tue, Jul 07, 2015 at 12:00:12AM -0400, Vince Weaver wrote:
> > >
> > > Well the BPF hack is in the fuzzer, not the kernel. And it's not really
> > > a
> > > hack, it just turn
On Tue, 7 Jul 2015, Alexei Starovoitov wrote:
> On Tue, Jul 07, 2015 at 12:00:12AM -0400, Vince Weaver wrote:
> >
> > Well the BPF hack is in the fuzzer, not the kernel. And it's not really a
> > hack, it just turned out to be a huge pain to figure out how to
> > manually create a valid BPF pr
On Tue, Jul 07, 2015 at 12:00:12AM -0400, Vince Weaver wrote:
>
> Well the BPF hack is in the fuzzer, not the kernel. And it's not really a
> hack, it just turned out to be a huge pain to figure out how to
> manually create a valid BPF program in conjunction with a valid kprobe
> event.
You m
On Tue, 7 Jul 2015, Steven Rostedt wrote:
> On Tue, 7 Jul 2015 11:06:55 -0400 (EDT)
> Probably. If you recompiled the kernel, you need to find the new
> address points.
should these messages really be spamming the syslog?
I updated the kprobe to point to the right location again
(this is
On Tue, 7 Jul 2015 11:06:55 -0400 (EDT)
Vince Weaver wrote:
> On Tue, 7 Jul 2015, Masami Hiramatsu wrote:
>
> > > It's a Hawell machine running 4.2-rc1. I can post the .config if it's of
> > > interest.
> >
> > Yes, I'm interested in.
>
> I've put it here:
> http://web.eece.maine.edu/~
On Tue, 7 Jul 2015, Vince Weaver wrote:
> On Tue, 7 Jul 2015, Masami Hiramatsu wrote:
>
> > > It's a Hawell machine running 4.2-rc1. I can post the .config if it's of
> > > interest.
> >
> > Yes, I'm interested in.
>
> I've put it here:
> http://web.eece.maine.edu/~vweaver/junk/haswell-
On Tue, 7 Jul 2015, Masami Hiramatsu wrote:
> > It's a Hawell machine running 4.2-rc1. I can post the .config if it's of
> > interest.
>
> Yes, I'm interested in.
I've put it here:
http://web.eece.maine.edu/~vweaver/junk/haswell-config
> OK, and also, if you have a chance, please run
On 2015/07/07 13:00, Vince Weaver wrote:
> On Tue, 7 Jul 2015, Masami Hiramatsu wrote:
>
>> On 2015/07/07 6:27, Vince Weaver wrote:
>>> Hello
>>>
>>> I've been working on trying to get the perf_fuzzer to start fuzzing the
>>> PERF_EVENT_IOC_SET_BPF so I've added some really hackish kprobe support
On Tue, 7 Jul 2015, Masami Hiramatsu wrote:
> On 2015/07/07 6:27, Vince Weaver wrote:
> > Hello
> >
> > I've been working on trying to get the perf_fuzzer to start fuzzing the
> > PERF_EVENT_IOC_SET_BPF so I've added some really hackish kprobe support.
> >
> > However before I can get to the BP
On Mon, 6 Jul 2015, Steven Rostedt wrote:
> On Mon, 6 Jul 2015 17:27:04 -0400 (EDT)
> Vince Weaver wrote:
> > [ 3521.650521] ---[ end trace a413501925547ed5 ]---
> > [ 3521.655960] ftrace failed to modify []
> > handle_mm_fault+0x0/0x1750
> > [ 3521.664767] actual: e8:cb:18:ef:1e
>
> Hmm, it w
On 2015/07/07 6:27, Vince Weaver wrote:
> Hello
>
> I've been working on trying to get the perf_fuzzer to start fuzzing the
> PERF_EVENT_IOC_SET_BPF so I've added some really hackish kprobe support.
>
> However before I can get to the BPF testing the kprobe code generates a
> constant stream of
On Mon, 6 Jul 2015 17:27:04 -0400 (EDT)
Vince Weaver wrote:
> Hello
>
> I've been working on trying to get the perf_fuzzer to start fuzzing the
> PERF_EVENT_IOC_SET_BPF so I've added some really hackish kprobe support.
>
> However before I can get to the BPF testing the kprobe code generates a
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