From: Dongliang Mu <mudongliangabcd@gmail.com>
To: Pavel Skripkin <paskripkin@gmail.com>
Cc: syzbot <syzbot+5872a520e0ce0a7c7230@syzkaller.appspotmail.com>,
Larry.Finger@lwfinger.net, florian.c.schilhabel@googlemail.com,
Greg KH <gregkh@linuxfoundation.org>,
hridayhegde1999@gmail.com,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-staging@lists.linux.dev, rkovhaev@gmail.com,
straube.linux@gmail.com,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>
Subject: Re: [syzbot] KASAN: use-after-free Read in r871xu_dev_remove
Date: Tue, 13 Jul 2021 17:04:28 +0800 [thread overview]
Message-ID: <CAD-N9QU3jHw_gOiwduF+eATJ_sxcUcMiiBDESBYmZ8NdGH5RCQ@mail.gmail.com> (raw)
In-Reply-To: <20210713115546.34c99ea8@gmail.com>
On Tue, Jul 13, 2021 at 4:55 PM Pavel Skripkin <paskripkin@gmail.com> wrote:
>
> On Mon, 12 Jul 2021 20:14:24 -0700
> syzbot <syzbot+5872a520e0ce0a7c7230@syzkaller.appspotmail.com> wrote:
>
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit: 92510a7f Add linux-next specific files for 20210709
> > git tree: linux-next
> > console output:
> > https://syzkaller.appspot.com/x/log.txt?x=16c50180300000 kernel
> > config: https://syzkaller.appspot.com/x/.config?x=505de2716f052686
> > dashboard link:
> > https://syzkaller.appspot.com/bug?extid=5872a520e0ce0a7c7230 syz
> > repro:
> > https://syzkaller.appspot.com/x/repro.syz?x=1639a73c300000 C
> > reproducer: https://syzkaller.appspot.com/x/repro.c?x=15fcd5e4300000
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the
> > commit: Reported-by:
> > syzbot+5872a520e0ce0a7c7230@syzkaller.appspotmail.com
> >
>
> Hmm, bisection is wrong this time. It should be
> e02a3b945816 ("staging: rtl8712: fix memory leak in rtl871x_load_fw_cb")
Hi Paval,
can you share more details about why the patch e02a3b945816 causes
this UAF problem?
>
> #syz test:
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>
>
> I guess, this should work
>
>
> With regards,
> Pavel Skripkin
>
> --
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next prev parent reply other threads:[~2021-07-13 9:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-13 3:14 [syzbot] KASAN: use-after-free Read in r871xu_dev_remove syzbot
2021-07-13 8:55 ` Pavel Skripkin
2021-07-13 9:04 ` Dongliang Mu [this message]
2021-07-13 9:19 ` Pavel Skripkin
2021-07-13 11:18 ` syzbot
2021-07-13 11:07 ` syzbot
2021-07-21 10:01 ` Pavel Skripkin
2021-07-21 17:12 ` syzbot
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