linux-kernel - Re: BUG: unable to handle kernel paging request in get_pfnblock_flags

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Message-ID: <CAHk-=wjQJQM=V6CDPrU2FJVEi4zZsr8-w8a0We8tF5K66J_ZOw@mail.gmail.com>
Date:   Tue, 7 Apr 2020 17:04:52 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Peter Xu <peterx@...hat.com>
Cc:     syzbot <syzbot+18638e81a805a2d96682@...kaller.appspotmail.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Brian Geffon <bgeffon@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: BUG: unable to handle kernel paging request in get_pfnblock_flags_mask

On Tue, Apr 7, 2020 at 3:08 PM Peter Xu <peterx@...hat.com> wrote:
>
> Thanks; I think this is a dup of previous one too:

Peter, since the two nasties are both fairly bad, would you mind
sending me your two patches and I'll just apply them directly.

I've seen them fly by, but I think they both happened inside the
threads discussing the problem, and I'd much rather have the final
patch sent to me explicitly (with confirmation that syzbot tested them
- again I _think_ I saw that fly by too, but my mailbox is fairly
chaotic..)

             Linus