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[209.132.180.67]) by mx.google.com with ESMTP id g2si46549518plp.1.2019.08.08.05.37.42; Thu, 08 Aug 2019 05:37:58 -0700 (PDT) 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; dkim=pass header.i=@google.com header.s=20161025 header.b=JmSzOXhD; 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; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732385AbfHHM2G (ORCPT + 99 others); Thu, 8 Aug 2019 08:28:06 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:41430 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728964AbfHHM2G (ORCPT ); Thu, 8 Aug 2019 08:28:06 -0400 Received: by mail-pg1-f196.google.com with SMTP id x15so33648038pgg.8 for ; Thu, 08 Aug 2019 05:28:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=i/W3w/wF9Y9te3JMoVhcMehzwVrt1opOlejjt4rI4AE=; b=JmSzOXhD6xc1Qb7v1wEp0V2tWsNPh5fGFF88h2zu1ElMyG3KgLjylsdyOnqWGZcItc tP4YvMgsCHqHZw69kNyc6Rx5xdexwEjo/lVa3NrHAjIz+jGBsC7JjYHIXPlqH00+U9Rj vo4g0Iy6lZlXwSvj1LG4dxvGz4gc/mh0fkZaFnckVQDHcmWHPqGX2C9hM5/PiFpv+9tp uqJiPobqcNkiB2JdQ5mmWLwuAideQaaIl7SelOD5YfUny7fvj7TURoAR9qIxlNXNxy5x HT8InMsW/bOjtbJ9dH1E+229QEILOJtHjCeDt0Xh5O0NaoD+C/jOboe4sQj6NhekP3zc yxqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=i/W3w/wF9Y9te3JMoVhcMehzwVrt1opOlejjt4rI4AE=; b=W2Z0Sca3CZ+xmNsy3pHV2n7p9rhEIbIsJ+Rub2qEjJ5FOyqRaqyfzICWJIQZOTp+d3 rzIvnIxnP5BgJoRm5v+5DFSkIQ93gcnO7+dtMKPTPPGyuOZou87o9cXyVkfP31l2ikUU 9t/ovZ1sO+RtwOXenVhhlFP3TXUW8ysUhphdBJZcuqe6m8unr2ePYUSgdB8A1oEUiOg9 Z8NhrE/5Twn3svMy2hOEowve5YkygJudFoBogPuN/Od2Cvo0Cyeu7t3W86r4DOeVYKT7 int+DcGN3p4m6WTZLUHcn8GmAF8t37x/ydiwDCwLa5Rb/hPuY8F5efHQbDyMhQFyXhtx u/Pw== X-Gm-Message-State: APjAAAXT+Qas01TqCm0C0PaIF9ITtIAb1Z1Ph5IL1U92K+BOhlc9+hAN 6Agt1kLWh0Hv0+EF7m/8YCOaB+p0z8lEPa1bmWjKSA== X-Received: by 2002:aa7:9e9a:: with SMTP id p26mr15547168pfq.25.1565267285478; Thu, 08 Aug 2019 05:28:05 -0700 (PDT) MIME-Version: 1.0 References: <000000000000f365b6058f8b07ca@google.com> In-Reply-To: From: Andrey Konovalov Date: Thu, 8 Aug 2019 14:27:53 +0200 Message-ID: Subject: Re: KASAN: use-after-free Read in device_release_driver_internal To: Alan Stern , Dmitry Vyukov Cc: syzbot , LKML , USB list , Oliver Neukum , syzkaller-bugs Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 7, 2019 at 8:31 PM Alan Stern wrote: > > On Wed, 7 Aug 2019, syzbot wrote: > > > Hello, > > > > syzbot has tested the proposed patch and the reproducer did not trigger > > crash: > > > > Reported-and-tested-by: > > syzbot+1b2449b7b5dc240d107a@syzkaller.appspotmail.com > > > > Tested on: > > > > commit: 6a3599ce usb-fuzzer: main usb gadget fuzzer driver > > git tree: https://github.com/google/kasan.git > > kernel config: https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > patch: https://syzkaller.appspot.com/x/patch.diff?x=132eec8c600000 > > > > Note: testing is done by a robot and is best-effort only. > > Andrey, is there any way to get the console output from this test? Dmitry, would it be possible to link console log for successful tests as well? > > Alan Stern >