linux-kernel - Re: [PATCH] fork, vmalloc: KASAN-poison backing pages of vmapped stacks

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Message-ID: <CAG48ez34j5HNfjT0ZAuehJm235_izkbYX2EETGSh402U7Hiisw@mail.gmail.com>
Date:   Wed, 25 Jan 2023 10:30:38 +0100
From:   Jann Horn <jannh@...gle.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Uladzislau Rezki <urezki@...il.com>,
        Christoph Hellwig <hch@...radead.org>,
        Andy Lutomirski <luto@...nel.org>,
        linux-kernel@...r.kernel.org,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        kasan-dev@...glegroups.com
Subject: Re: [PATCH] fork, vmalloc: KASAN-poison backing pages of vmapped stacks

On Wed, Jan 25, 2023 at 10:27 AM Jann Horn <jannh@...gle.com> wrote:
> Oooh, actually, there is some CIFS code that does vmalloc_to_page()
> and talks about stack memory... I'll report that over on the other
> thread re CIFS weirdness.

Ah, no, nevermind. The corruptions were in ntfs3, not cifs...