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Message-ID: <c122ba3e-ef7b-0f70-1972-1bae0ddff651@kernel.dk>
Date:   Thu, 14 Apr 2022 20:29:24 -0600
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Subject: Re: [syzbot] kernel BUG in commit_creds
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To:     syzbot <syzbot+60c52ca98513a8760a91@syzkaller.appspotmail.com>,
        asml.silence@gmail.com, ebiederm@xmission.com,
        io-uring@vger.kernel.org, legion@kernel.org,
        linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
References: <000000000000a7edb305dca75a50@google.com>
From:   Jens Axboe <axboe@kernel.dk>
In-Reply-To: <000000000000a7edb305dca75a50@google.com>
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On 4/14/22 7:30 PM, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    40354149f4d7 Add linux-next specific files for 20220414
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1778a95cf00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a44d62051576f6f5
> dashboard link: https://syzkaller.appspot.com/bug?extid=60c52ca98513a8760a91
> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1102d2e0f00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15e22af4f00000
> 
> The issue was bisected to:
> 
> commit 6bf9c47a398911e0ab920e362115153596c80432
> Author: Jens Axboe <axboe@kernel.dk>
> Date:   Tue Mar 29 16:10:08 2022 +0000
> 
>     io_uring: defer file assignment

#syz test: git://git.kernel.dk/linux-block io_uring-5.18

-- 
Jens Axboe