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Date:   Wed, 2 Nov 2022 22:25:05 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Naresh Kamboju <naresh.kamboju@linaro.org>
Cc:     linux-perf-users@vger.kernel.org,
        open list <linux-kernel@vger.kernel.org>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        regressions@lists.linux.dev, lkft-triage@lists.linaro.org,
        Marco Elver <elver@google.com>,
        "Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: qemu-i386: perf: BUG: kernel NULL pointer dereference, address:
 00000148
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On Wed, Nov 02, 2022 at 06:42:52PM +0530, Naresh Kamboju wrote:
> Following kernel BUG: noticed on qemu-i386 while running perf test suite
> on stable-rc 6.0.7-rc1 the image was built with gcc-11.
> 
> The System did not recover after the crash.
> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

What is this a regression from?  Does this happen on older stable
kernels?  Linus's tree?

How about 'git bisect'?

thanks,

greg k-h