linux-kernel - Re: kernel BUG at fs/inode.c:LINE! (2)

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Message-ID: <20200828153825.GI1236603@ZenIV.linux.org.uk>
Date:   Fri, 28 Aug 2020 16:38:25 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     syzbot <syzbot+c92c93d1f1aaaacdb9db@...kaller.appspotmail.com>
Cc:     axboe@...nel.dk, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, maz@...nel.org, oleg@...hat.com,
        peterz@...radead.org, syzkaller-bugs@...glegroups.com
Subject: Re: kernel BUG at fs/inode.c:LINE! (2)

On Fri, Aug 28, 2020 at 06:18:17AM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    d012a719 Linux 5.9-rc2
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15aa650e900000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=891ca5711a9f1650
> dashboard link: https://syzkaller.appspot.com/bug?extid=c92c93d1f1aaaacdb9db
> compiler:       clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12ecb939900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=140a19a9900000

Trying to reproduce...