Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp6013055ybc; Wed, 27 Nov 2019 13:23:21 -0800 (PST) X-Google-Smtp-Source: APXvYqwbAC51MMq8xULmwG3DEh1m9jaW85mBiiBcDqKCqv3qSR0qKMlQyWuxFGY+cDdBMeQXU8Zc X-Received: by 2002:a05:6402:611:: with SMTP id n17mr34349113edv.143.1574889801821; Wed, 27 Nov 2019 13:23:21 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574889801; cv=none; d=google.com; s=arc-20160816; b=hIgj2gVOh7r/ldtehU8oH1xRlwnCEWDlUF7iy63HC/2FVlrvMqroVpmib8z5h+oKnH 5S905P5aV79zJyjiShHNgREc/O6TyN4Frp2gulmsu9Alwym7gL1Zh013MBI88E9SGHB0 5Bmcn3QPXhC1bHkHMI/r5fp3b2UGqGYradQBVzXUoXizyUDwtq/1kiQDntnlkFn+Pavd uiW3DM5So1r1tQwciW6ajwS+nSHm0Hfl0uu1DMnNxvO9kEEXxTerQJcBFjP8MwsjnPMf 02Nof+U1KTtYqkiy0LsFx3dTGN3xozt7VAwvOwtI9yO5Kdm3osEmIcx5oNXEL/ZOQ2LH GWVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:in-reply-to :subject:cc:to:from:date; bh=kdbMT+gIhk2ilzPw8WwG3YlMlAB32IkEChXqnYsXKeU=; b=yQnj5VliroaAH90obJeLhVmtyjsyOfInxogzWwgwX2vp9gd7Nd+eNMYmBmdgevFKBn t8xyd1hXKdsMOgQRfViFmPoB3QymmuH3qPVcl2/k/x9hxyruix9CpZB/Hr/HSN8tBbP0 RmwcnS/KEoTso0axs2EGepRIThGx5zP3mBHy3lQvqVQyPnHvO5nHnc9fA9XxISBOsrpg 4BNDG8YzApnJGjOKozAjrFL2RtEfekX38FLTaryDkCkW1oYkcJ/LHcrKZhn2IBbBbTdH vG2HtNDut13WaGsc5nUusYAP30bnyX09d1vRZfUnoV8D2d7J4Dd+69aNzTpXNxJZpzNk t+xw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v6si1794217eds.260.2019.11.27.13.22.58; Wed, 27 Nov 2019 13:23:21 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733237AbfK0VSj (ORCPT + 99 others); Wed, 27 Nov 2019 16:18:39 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:38816 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1733151AbfK0VLT (ORCPT ); Wed, 27 Nov 2019 16:11:19 -0500 Received: (qmail 4118 invoked by uid 2102); 27 Nov 2019 16:11:18 -0500 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 27 Nov 2019 16:11:18 -0500 Date: Wed, 27 Nov 2019 16:11:18 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Oliver Neukum , syzbot cc: andreyknvl@google.com, , Kernel development list , , USB list , , Subject: Re: KASAN: use-after-free Read in si470x_int_in_callback (2) In-Reply-To: <000000000000cf39d205985a35b0@google.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Oliver: Make of this what you will... Alan Stern On Wed, 27 Nov 2019, syzbot wrote: > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger > crash: > > Reported-and-tested-by: > syzbot+9ca7a12fd736d93e0232@syzkaller.appspotmail.com > > Tested on: > > commit: 22be26f7 usb-fuzzer: main usb gadget fuzzer driver > git tree: https://github.com/google/kasan.git > kernel config: https://syzkaller.appspot.com/x/.config?x=387eccb7ac68ec5 > dashboard link: https://syzkaller.appspot.com/bug?extid=9ca7a12fd736d93e0232 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > patch: https://syzkaller.appspot.com/x/patch.diff?x=17d13f6ae00000 > > Note: testing is done by a robot and is best-effort only.