linux-kernel - Re: [syzbot] [fat?] possible deadlock in exc_page

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Message-ID: <CANp29Y5yq5hTcJ=VRjSXe+Fg0H=xqj7ajhk-eYBPEPZE4kHC+w@mail.gmail.com>
Date:   Fri, 14 Jul 2023 19:29:42 +0200
From:   Aleksandr Nogikh <nogikh@...gle.com>
To:     syzbot <syzbot+6d274a5dc4fa0974d4ad@...kaller.appspotmail.com>
Cc:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [fat?] possible deadlock in exc_page_fault

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master

Patch from https://lore.kernel.org/lkml/20230714084354.1959951-1-sj1557.seo@samsung.com/T/#u
is attached.

On Tue, Mar 21, 2023 at 8:33 AM syzbot
<syzbot+6d274a5dc4fa0974d4ad@...kaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot has tested the proposed patch and the reproducer did not trigger any issue:
>
> Reported-and-tested-by: syzbot+6d274a5dc4fa0974d4ad@...kaller.appspotmail.com
>
> Tested on:
>
> commit:         e8d018dd Linux 6.3-rc3
> git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> console output: https://syzkaller.appspot.com/x/log.txt?x=10a0f66ec80000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=d40f6d44826f6cf7
> dashboard link: https://syzkaller.appspot.com/bug?extid=6d274a5dc4fa0974d4ad
> compiler:       Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
> patch:          https://syzkaller.appspot.com/x/patch.diff?x=162abfaac80000
>
> Note: testing is done by a robot and is best-effort only.
>
> --
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