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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Tue, 11 Oct 2022 15:00:45 -0700
Message-ID: <CAHk-=whR5j7e0_w_9Ph9ctEnrYKn6tcPjQRHY=u5B+jxDwHvXQ@mail.gmail.com>
Subject: Re: [PATCH] kasan: disable stackleak plugin in report code
To:     Josh Poimboeuf <jpoimboe@kernel.org>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Alexander Potapenko <glider@google.com>,
        Andrey Konovalov <andreyknvl@google.com>,
        mm-commits@vger.kernel.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
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On Tue, Oct 11, 2022 at 12:05 PM Josh Poimboeuf <jpoimboe@kernel.org> wrote:
>
> kasan_report() has a uaccess critical section which can't have any
> instrumentation calls in the middle.  Disable the stackleak plugin for
> the report code.

I see Andrew already picked this up, but I can confirm that it
obviously fixes the problem here for me.

I'll get it the usual channels from Andrew.

Thanks,
            Linus