linux-kernel - Re: kernel BUG at drivers/android/binder

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Message-ID: <CAHRSSEx0ifKf-bA9NGwXak0DhWt6Xfxe+SQgfEEdNcyVAPwb_Q@mail.gmail.com>
Date:   Thu, 14 Feb 2019 14:34:15 -0800
From:   Todd Kjos <tkjos@...gle.com>
To:     syzbot <syzbot+55de1eb4975dec156d8f@...kaller.appspotmail.com>
Cc:     Arve Hjønnevåg <arve@...roid.com>,
        Christian Brauner <christian@...uner.io>,
        "open list:ANDROID DRIVERS" <devel@...verdev.osuosl.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Martijn Coenen <maco@...roid.com>,
        syzkaller-bugs@...glegroups.com, Todd Kjos <tkjos@...roid.com>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: kernel BUG at drivers/android/binder_alloc.c:LINE! (2)

On Thu, Feb 14, 2019 at 3:35 AM syzbot
<syzbot+55de1eb4975dec156d8f@...kaller.appspotmail.com> wrote:
>
> syzbot has found a reproducer for the following crash on:
>
> HEAD commit:    b3418f8bddf4 Add linux-next specific files for 20190214
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=161d2048c00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8a3a37525a677c71
> dashboard link: https://syzkaller.appspot.com/bug?extid=55de1eb4975dec156d8f
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11cd2f1f400000
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+55de1eb4975dec156d8f@...kaller.appspotmail.com
>

Testing a fix:

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
linux-next

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