linux-kernel - Re: what trees/branches to test on syzbot

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Date:   Mon, 9 Jul 2018 17:35:46 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc:     Dmitry Vyukov <dvyukov@...gle.com>,
        Guenter Roeck <groeck@...gle.com>,
        "Theodore Ts'o" <tytso@....edu>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        syzkaller <syzkaller@...glegroups.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        David Miller <davem@...emloft.net>,
        kbuild test robot <fengguang.wu@...el.com>
Subject: Re: what trees/branches to test on syzbot

On Sat, 7 Jul 2018 08:26:32 +0900 Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp> wrote:

> Hello Andrew,
> 
> It seems that syzbot (experimentally ?) restarted testing linux-next.
> 
> May I ask you to carry temporarily debug printk() patch at
> https://groups.google.com/d/msg/syzkaller-bugs/E8M8WTqt034/OpadOICfCAAJ
> for "INFO: task hung in __sb_start_write" case?
> 
> The bug should be reproduced within a day if executed under syzbot environment.
> Thus, I'm sure that we don't need to carry this patch for long.

Sure, I can add that.  Let's get the build warning sorted out first,
please.  Any old silly workaround will suffice in a developer-only
debug patch.