linux-kernel - Re: general protection fault in go7007_usb

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Message-ID: <1587645997.23108.9.camel@suse.com>
Date:   Thu, 23 Apr 2020 14:46:37 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     syzbot <syzbot+cabfa4b5b05ff6be4ef0@...kaller.appspotmail.com>,
        andreyknvl@...gle.com, hverkuil-cisco@...all.nl,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-usb@...r.kernel.org, mchehab@...nel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: general protection fault in go7007_usb_probe

Am Dienstag, den 21.04.2020, 16:36 -0700 schrieb syzbot:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    e9010320 usb: cdns3: gadget: make a bunch of functions sta..
> git tree:       https://github.com/google/kasan.git usb-fuzzer
> console output: https://syzkaller.appspot.com/x/log.txt?x=1263a930100000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=bd14feb44652cfaf
> dashboard link: https://syzkaller.appspot.com/bug?extid=cabfa4b5b05ff6be4ef0
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+cabfa4b5b05ff6be4ef0@...kaller.appspotmail.com

#syz test: https://github.com/google/kasan.git e9010320

View attachment "0001-go7007-add-sanity-checking-and-insanity-checking.patch" of type "text/x-patch" (2732 bytes)