From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1ACE4C43331 for ; Sat, 28 Mar 2020 15:40:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D17112073B for ; Sat, 28 Mar 2020 15:40:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DQBberg+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727163AbgC1PkJ (ORCPT ); Sat, 28 Mar 2020 11:40:09 -0400 Received: from mail-lf1-f47.google.com ([209.85.167.47]:39174 "EHLO mail-lf1-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726482AbgC1PkJ (ORCPT ); Sat, 28 Mar 2020 11:40:09 -0400 Received: by mail-lf1-f47.google.com with SMTP id h6so4542835lfp.6 for ; Sat, 28 Mar 2020 08:40:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=jZ3WyD6bhPSZNLt/bWleoqzt1UE2igSVRjTq69LMb28=; b=DQBberg+wl2RGBxqM34k1Z2AFubFDsMaSL7nTCJOr8GLn+8cdQCF38XoBKocdwkIqQ oWgyRi6pDUqA90dTUbBSG6JCuXU8ioXRS4V9tS2Ctb5GqJd+HZHic0+behd4Uflwj5JQ 5stqB0oxrTMpk1VDSksBJ3pCI3GqoJHHwp43BP4lCvzx4d22ude/BzBaNlUiyXq6oAxW zeDJ2cVvNT/FNXS0up6SwdoNuLO0B4sXfNs0+Dr8dayQURfyDzRmmxOsDFhOzBhdA3vo xnEgY5j35iR8sQzf95Jj4m2aL28wtAnrtEtXN9RmfcZe6nhs++nsv7lDW/89c+J64l6z bl1w== 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=jZ3WyD6bhPSZNLt/bWleoqzt1UE2igSVRjTq69LMb28=; b=njZcQOJjbwHKSBkob7qAO00g8zBnPENOYN9KYUTOJlnD+Tau1RLfflbROVryvvFXIX 1QkFnJ+CX7fDokZ/p8X7IndiTRaGcJ/eOnSmdaqizDegIzCAsvYxaVbHIo6qn+fn7aKp nYIle9mUt5pX/Qnqol+JJw5WaSrt79IIUVI3Oar03/zN3kIbZUf7aTJhStU7XkYe0219 IjHl3NTnWhBybhCN2dic4e/qdEJ4atXdN8t+LNJEBHiE0Zlo+t+G0nys5uRuUK/jqX4p YLtm8lDeRcyFzAEkUppdBRodcClyAxDQAW+T72iiCt8+GFsKKibsZgjN704DdHRTKQWR 6gTw== X-Gm-Message-State: AGi0PuaEMPWAbVGEAHhaEob2XqzbQs9zioyza9gQUfYra31Vt38Cn87E PsmdrTmSMrcupJBJMz3itTM8CPWf4d03xV0zGaHZMw== X-Google-Smtp-Source: APiQypJBo1gy8bZaFOTw68JPYpLCj3admqjUXa7gEPDIP5aWOAjjDZT76uFJmKfFqwt0pw0cShXpViG5dTbzkNXnFHU= X-Received: by 2002:ac2:51c3:: with SMTP id u3mr2741176lfm.25.1585410006904; Sat, 28 Mar 2020 08:40:06 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Kyungtae Kim Date: Sat, 28 Mar 2020 11:39:55 -0400 Message-ID: Subject: Re: Fwd: BUG: KASAN: use-after-free in usb_hcd_unlink_urb+0x5f/0x170 drivers/usb/core/hcd.c To: Alan Stern Cc: USB list Content-Type: text/plain; charset="UTF-8" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Sat, Mar 28, 2020 at 11:31:32AM -0400, Alan Stern wrote: > On Sat, 28 Mar 2020, Kyungtae Kim wrote: > > > On Thu, Mar 26, 2020 at 10:49:40AM -0400, Alan Stern wrote: > > > On Tue, 24 Mar 2020, Kyungtae Kim wrote: > > > > > > > Thanks for the patch. Unfortunately, we don't have a repro program to > > > > test right now. > > > > > > Okay. Can you at least try running your tests with the patch installed > > > to check that the patch doesn't actually break anything? > > > > > > Alan Stern > > > > > > > I tested with that patch for more than 24 hours. It worked well > > without triggering the same bug. > > Thanks for testing. I'll write up the patch and submit it. > > Alan Stern > Thanks a lot. Regards, Kyungtae Kim