linux-kernel - Re: [PATCH 0/2] mm: Two small fixes for recent syzbot reports

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Message-ID: <CAHk-=wiU77DeNxQsU4XrDCk59asyTs=Hn+mnTx6-SHB1_fA2NQ@mail.gmail.com>
Date:   Thu, 9 Apr 2020 11:53:33 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Dmitry Vyukov <dvyukov@...gle.com>,
        Matthew Wilcox <willy@...radead.org>,
        Peter Xu <peterx@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: [PATCH 0/2] mm: Two small fixes for recent syzbot reports

On Thu, Apr 9, 2020 at 11:16 AM Andrew Morton <akpm@...ux-foundation.org> wrote:
>
> Could I please direct attention back to my original question regarding
> the problems we've recently discovered in 4426e945df58 ("mm/gup: allow
> VM_FAULT_RETRY for multiple times") and 71335f37c5e8 ("mm/gup: allow to
> react to fatal signals")?

What earlier question? The "how could this happen" one?

Dmitry already answered that one - are you perhaps missing the emails?

linux-next has apparently not worked at all for over a month. So it
got no testing at all, and thus also all the gup patches got no
testing in linux-next.

Only when they hit my tree, did they start getting testing. Not
because my tree is the only thing getting tested, but because my tree
is the only tree that _works_.

           Linus