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Groups > linux.kernel > #1353172
| From | Ingo Molnar <mingo@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer |
| Date | 2016-03-08 17:00 +0100 |
| Message-ID | <rasdc-2OP-21@gated-at.bofh.it> (permalink) |
| References | (1 earlier) <raqbn-1xM-1@gated-at.bofh.it> <raqbp-1xM-47@gated-at.bofh.it> <raql5-1Bi-33@gated-at.bofh.it> <rarKa-2CK-17@gated-at.bofh.it> <rarTQ-2Ho-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
* Dmitry Vyukov <dvyukov@google.com> wrote:
> > so, according to the error message it wants a writable directory. Lets try it that
> > way:
> >
> > triton:~> mkdir go
> > triton:~>
> > triton:~> export GOPATH=/home/mingo/go/
> > triton:~> go get github.com/google/syzkaller
> > can't load package: package github.com/google/syzkaller: no buildable Go source files in /home/mingo/go/src/github.com/google/syzkaller
>
> Yes, GOPATH needs to be set a writable dir.
> You can ignore "can't load package" error. The goal of that step is
> checkout syzkaller with all dependencies into correct dirs under
> GOPATH. That's already done by now.
> Or you can do (/... at the end):
> $ go get github.com/google/syzkaller/...
> That will checkout and build.
> Either way you can continue with the make step.
Cool, the '/...' trick works.
> > looks like someone wants 'Go' to be used as little as possible! ;-)
>
> You probably did not observe recently a noobie trying to build a C
> project with sufficiently-complicate-build-system and a bunch of
> dependencies that needs to be on specific, unknown revisions, and that
> still does not compile with you compiler and does not link with your
> linker, and then of course target machine has a wrong glibc version :)
Nah, old Linux tools very much suck, we know that and we suffer from it.
But new tools should not suck! :-)
So, going from the description at:
http://lkml.kernel.org/r/CACT4Y+Ym0TZLkmRrM0ZGgLpu8kqS-YjoWTMrvaLz=tx2tnyO3w@mail.gmail.com
I now have it built, and created $GOPATH/src/github.com/google/syzkaller/perf.cfg
with:
triton:~/go/src/github.com/google/syzkaller> cat perf.cfg
{
"http": "localhost:50000",
"workdir": "/home/mingo/go/src/github.com/google/syzkaller/workdir",
"syzkaller": "/home/mingo/go/src/github.com/google/syzkaller",
"vmlinux": "-",
"type": "local",
"count": 1,
"procs": 16,
"nocover": true,
"nodropprivs": true,
"enable_syscalls": [
"getpid",
"perf_event_open",
"ioctl$PERF*",
"prctl$void",
"bpf$*",
"sched_yield"
]
}
Then I tried to do:
$ bin/syz-manager -config perf.cfg
in ~/go/src/github.com/google/syzkaller, but that doesn't work because there's no
'bin' directory:
triton:~/go/src/github.com/google/syzkaller> bin/syz-manager -config perf.cfg
bash: bin/syz-manager: No such file or directory
So that should really read something like:
cd ~/go
bin/syz-manager -config src/github.com/google/syzkaller/perf.cfg
next roadblock:
fomalhaut:~/go> bin/syz-manager -config src/github.com/google/syzkaller/perf.cfg
2016/03/08 16:53:44 bad config syzkaller param: can't find bin/syz-fuzzer
so how do I proceed from here?
Thanks,
Ingo
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[RESEND PATCH 0/5] perf core: Support overwrite ring buffer Wang Nan <wangnan0@huawei.com> - 2016-03-07 05:00 +0100
[RESEND PATCH 5/5] perf core: Reduce perf event output overhead by new overflow handler Wang Nan <wangnan0@huawei.com> - 2016-03-07 05:00 +0100
[RESEND PATCH 4/5] perf core: Add backward attribute to perf event Wang Nan <wangnan0@huawei.com> - 2016-03-07 05:00 +0100
[RESEND PATCH 3/5] perf core: Prepare writing into ring buffer from end Wang Nan <wangnan0@huawei.com> - 2016-03-07 05:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Peter Zijlstra <peterz@infradead.org> - 2016-03-08 14:50 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 14:50 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Peter Zijlstra <peterz@infradead.org> - 2016-03-08 15:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 16:30 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Dmitry Vyukov <dvyukov@google.com> - 2016-03-08 16:40 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 17:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Dmitry Vyukov <dvyukov@google.com> - 2016-03-08 17:20 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 17:30 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Dmitry Vyukov <dvyukov@google.com> - 2016-03-08 17:40 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Peter Zijlstra <peterz@infradead.org> - 2016-03-08 17:40 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 17:50 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 17:50 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Dmitry Vyukov <dvyukov@google.com> - 2016-03-08 18:10 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 18:30 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Dmitry Vyukov <dvyukov@google.com> - 2016-03-08 18:30 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 18:40 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Dmitry Vyukov <dvyukov@google.com> - 2016-03-08 18:50 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 18:50 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Peter Zijlstra <peterz@infradead.org> - 2016-03-08 19:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 19:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 19:10 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 19:30 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Ingo Molnar <mingo@kernel.org> - 2016-03-08 19:40 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Dmitry Vyukov <dvyukov@google.com> - 2016-03-08 19:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Peter Zijlstra <peterz@infradead.org> - 2016-03-08 19:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Peter Zijlstra <peterz@infradead.org> - 2016-03-08 17:40 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Borislav Petkov <bp@alien8.de> - 2016-03-09 12:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Dmitry Vyukov <dvyukov@google.com> - 2016-03-09 12:30 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Jiri Olsa <jolsa@redhat.com> - 2016-03-08 21:00 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Peter Zijlstra <peterz@infradead.org> - 2016-03-08 21:10 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Jiri Olsa <jolsa@redhat.com> - 2016-03-08 21:50 +0100
Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer Peter Zijlstra <peterz@infradead.org> - 2016-03-08 22:10 +0100
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