linux-kernel - Re: [syzbot] INFO: task hung in sisusb

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Message-ID: <ade6c05e-fe82-c61a-bf02-8c8fcd918a75@suse.com>
Date:   Mon, 25 Oct 2021 16:40:47 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     syzbot <syzbot+fd9d03311cdce9a9ec36@...kaller.appspotmail.com>,
        andreyknvl@...gle.com, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, thomas@...ischhofer.net
Subject: Re: [syzbot] INFO: task hung in sisusb_open


On 22.10.21 17:10, syzbot wrote:
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit:    2f111a6fd5b5 Merge tag 'ceph-for-5.15-rc7' of git://github..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15a3aaf0b00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=61f4d9af07d3bbdf
> dashboard link: https://syzkaller.appspot.com/bug?extid=fd9d03311cdce9a9ec36
> 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=13d4e9fcb00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1444ada4b00000

Hi,

do I understand the reproducer correctly in that it just creates a
device and then
does nothing?

    Regards
        Oliver