Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 22 Dec 2022 21:19:53 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     Alexander Potapenko <glider@google.com>
Cc:     Sanan Hasanov <sanan.hasanov@knights.ucf.edu>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "will@kernel.org" <will@kernel.org>,
        "longman@redhat.com" <longman@redhat.com>,
        "boqun.feng@gmail.com" <boqun.feng@gmail.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "contact@pgazz.com" <contact@pgazz.com>,
        Paul Gazzillo <Paul.Gazzillo@ucf.edu>,
        "syzkaller@googlegroups.com" <syzkaller@googlegroups.com>
Subject: Re: Syzkaller found a bug: KASAN: use-after-free Write in put_pmu_ctx
Message-ID: <Y6S76ZqA/CX8Vx82@hirez.programming.kicks-ass.net>
References: <BN6PR07MB3185E78473482885FE72BCF3ABE89@BN6PR07MB3185.namprd07.prod.outlook.com>
 <CAG_fn=UZcDSqnD6+CezbdaekXqejRKm-W8V6ZHxQ+GGUwb3YdA@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CAG_fn=UZcDSqnD6+CezbdaekXqejRKm-W8V6ZHxQ+GGUwb3YdA@mail.gmail.com>
Precedence: bulk

On Thu, Dec 22, 2022 at 07:11:38PM +0100, Alexander Potapenko wrote:
> On Thu, Dec 22, 2022 at 6:40 PM Sanan Hasanov
> <sanan.hasanov@knights.ucf.edu> wrote:
> >
> > Good day, dear maintainers,
> 
> Hi Sanan,
> 
> > Config file: https://drive.google.com/file/d/1JutR21cgcf28flJVyLqDniNyrExMsSn_/view?usp=sharing
> >
> > Reproducer file: https://drive.google.com/file/d/1X31x8w4ULrtP_YnkD7_RCyW7FlwGewMR/view?usp=sharing
> 
> Any chance you can build with debug info enabled (CONFIG_DEBUG_INFO=y)?
> Then you'll be able to generate file:line information for the report
> (probably your syzkaller instance will do that for you, otherwise you
> can always use scripts/decode_stacktrace.sh)

Ok use Google before posting....

 https://lkml.kernel.org/r/000000000000a20a2e05f029c577@google.com