From: Takashi Iwai <tiwai@suse.de>
To: syzbot <syzbot+f24934fe125a19d77eae@syzkaller.appspotmail.com>
Cc: airlied@linux.ie, airlied@redhat.com, daniel@ffwll.ch,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
sean@poorly.run, syzkaller-bugs@googlegroups.com, tiwai@suse.de,
tzimmermann@suse.de
Subject: Re: [syzbot] KASAN: use-after-free Read in udl_get_urb_timeout
Date: Mon, 22 Aug 2022 14:26:52 +0200 [thread overview]
Message-ID: <87czcscvlf.wl-tiwai@suse.de> (raw)
In-Reply-To: <00000000000043579605e6d0ce41@google.com>
On Mon, 22 Aug 2022 11:09:31 +0200,
syzbot wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 5b6a4bf680d6 Add linux-next specific files for 20220818
> git tree: linux-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=12341a3d080000
> kernel config: https://syzkaller.appspot.com/x/.config?x=ead6107a3bbe3c62
> dashboard link: https://syzkaller.appspot.com/bug?extid=f24934fe125a19d77eae
> 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=12731867080000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=165b64f3080000
>
> The issue was bisected to:
>
> commit e25d5954264d1871ab2792c7ca2298b811462500
> Author: Takashi Iwai <tiwai@suse.de>
> Date: Thu Aug 4 07:58:25 2022 +0000
>
> drm/udl: Kill pending URBs at suspend and disconnect
FYI, the fix including the revert of this commit was already
submitted, waiting for review & merge:
https://lore.kernel.org/r/20220816153655.27526-1-tiwai@suse.de
thanks,
Takashi
next prev parent reply other threads:[~2022-08-22 12:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-22 9:09 [syzbot] KASAN: use-after-free Read in udl_get_urb_timeout syzbot
2022-08-22 12:26 ` Takashi Iwai [this message]
2022-09-01 9:16 ` Aleksandr Nogikh
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