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Date:   Fri, 17 Mar 2023 15:09:44 +0100
From:   Frederic Weisbecker <frederic@kernel.org>
To:     Pengfei Xu <pengfei.xu@intel.com>
Cc:     boqun.feng@gmail.com, quic_neeraju@quicinc.com, paulmck@kernel.org,
        heng.su@intel.com, lkp@intel.com, peterz@infradead.org,
        rcu@vger.kernel.org
Subject: Re: [Syzkaller & bisect] There is "sys_perf_event_open" soft lockup
 BUG in v6.3-rc2 kernel
Message-ID: <ZBR0qFQYoq4+2sXC@lothringen>
References: <ZBQbUUX+cBlMckCz@xpf.sh.intel.com>
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On Fri, Mar 17, 2023 at 03:48:33PM +0800, Pengfei Xu wrote:
> Hi Frederic Weisbecker and kernel experts,
> 
> Platform: x86 platforms
> There is "sys_perf_event_open" soft lockup BUG in v6.3-rc2 kernel in guest.

I can reproduce with you tests which is based on v6.2-rc5. However when
I forward port your .config to a v6.3-rc2, the issue doesn't trigger anymore.

Did you manage to reproduce on v6.3-rc2? And if so do you still have the related
.config ?

Thanks.