linux-kernel - Re: WARNING in perf_reg

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Date:   Wed, 19 Jun 2019 16:07:01 -0400 (EDT)
From:   Vince Weaver <vincent.weaver@...ne.edu>
To:     syzbot <syzbot+10189b9b0f8c4664badd@...kaller.appspotmail.com>
cc:     acme@...nel.org, acme@...hat.com,
        alexander.shishkin@...ux.intel.com, bp@...en8.de,
        eranian@...gle.com, hpa@...or.com, jolsa@...nel.org,
        jolsa@...hat.com, kan.liang@...ux.intel.com,
        linux-kernel@...r.kernel.org, mingo@...nel.org, mingo@...hat.com,
        peterz@...radead.org, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de, torvalds@...ux-foundation.org,
        vincent.weaver@...ne.edu, x86@...nel.org
Subject: Re: WARNING in perf_reg_value

On Wed, 19 Jun 2019, syzbot wrote:

> syzbot found the following crash on:
> 
> HEAD commit:    0011572c Merge branch 'for-5.2-fixes' of git://git.kernel...
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=12c38d66a00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=fa9f7e1b6a8bb586
> dashboard link: https://syzkaller.appspot.com/bug?extid=10189b9b0f8c4664badd
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1434b876a00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10e6c876a00000

the perf_fuzzer found this issue about a month ago, and patches were 
posted that fixed the issue (I've been unable to reproduce when running 
with a patched kernel).

Any reason they haven't been applied?

Vince