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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2A7FC433EF for ; Wed, 16 Mar 2022 16:02:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357501AbiCPQDS (ORCPT ); Wed, 16 Mar 2022 12:03:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56120 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357443AbiCPQDC (ORCPT ); Wed, 16 Mar 2022 12:03:02 -0400 Received: from mail-lj1-x229.google.com (mail-lj1-x229.google.com [IPv6:2a00:1450:4864:20::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04EF63E5F6 for ; Wed, 16 Mar 2022 09:01:48 -0700 (PDT) Received: by mail-lj1-x229.google.com with SMTP id s25so3753828lji.5 for ; Wed, 16 Mar 2022 09:01:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sfyn51iMEtZOW1VvGz9/zKro/mJL/U+AGtoyS/q05lk=; b=IxJzMGVBQ3dqOjwnT0kNvGBM1q4ToNrQ8MnPmSDiP9yfNiOStXUVcBRVnxaULD6+qQ iDehTRiYAMHSCxlwKAHGVWuwY43EtSG7VmF2E+DrfhETaC+kwkg1Zw7nn0Mt77iaYVPS eI5jjYFFkS7OLX94NFKpBzVwOSR3Cj742b3BY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sfyn51iMEtZOW1VvGz9/zKro/mJL/U+AGtoyS/q05lk=; b=pYzVrsW2GnWaUwnJ/e/XXy7CUM6Pj9OunpfGa6+i9lvIjUxkyrLsh9fFuvibzIj87x JoKAyzagIfzTWTIjE7mqmdHZrjFKhCBKpoSuSkc0JIvArm3jM1OdQKh/9zAPG+Wboy+W hXUZmMVvAGIdXUyFYX82e/Q5DrmXniaIf1t7BXcjgP89LOywoLjk/0CrQHjFhhTGHk6Z oUk3qalrNyIepJvo5IlrKtdCJei3JSyiFWDiGUYYJiv+3Syo7Q2Xg2Acp50tc+ehP2Oi Ybv90NgWRxENtMHco5socraneiXML+mbmDjzSA1X9hgf7YFEou7doYHGgb6ddu4mjf/t GMmA== X-Gm-Message-State: AOAM532vRQ2lt3s+VwGAxPfCNT8tzu4oKJ0A8nxjIBQy0ORpMuweDD7I Ng65I5iVTi37W07r73ZNtMSmG1dQfErIhwDXngY= X-Google-Smtp-Source: ABdhPJzmtdtDlnfBhKPr7o/N7HBWZ4YO6sGrMHXuNYWlj7D0LS5k8WyvFKM/E5qbS7OfztgEGhJI0Q== X-Received: by 2002:a2e:88d6:0:b0:245:f22e:5125 with SMTP id a22-20020a2e88d6000000b00245f22e5125mr152025ljk.529.1647446505991; Wed, 16 Mar 2022 09:01:45 -0700 (PDT) Received: from mail-lf1-f53.google.com (mail-lf1-f53.google.com. [209.85.167.53]) by smtp.gmail.com with ESMTPSA id m5-20020a2eb6c5000000b002480545ebfesm206863ljo.138.2022.03.16.09.01.36 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 16 Mar 2022 09:01:37 -0700 (PDT) Received: by mail-lf1-f53.google.com with SMTP id s29so4457231lfb.13 for ; Wed, 16 Mar 2022 09:01:36 -0700 (PDT) X-Received: by 2002:ac2:4f92:0:b0:448:7eab:c004 with SMTP id z18-20020ac24f92000000b004487eabc004mr184326lfs.27.1647446495212; Wed, 16 Mar 2022 09:01:35 -0700 (PDT) MIME-Version: 1.0 References: <0000000000009e7a1905b8295829@google.com> <00000000000003887a05da3e872c@google.com> In-Reply-To: From: Linus Torvalds Date: Wed, 16 Mar 2022 09:01:18 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [syzbot] KASAN: out-of-bounds Read in ath9k_hif_usb_rx_cb (3) To: Dmitry Vyukov Cc: syzbot , Andrey Konovalov , ath9k-devel@qca.qualcomm.com, chouhan.shreyansh630@gmail.com, David Miller , Jakub Kicinski , Kalle Valo , Linux Kbuild mailing list , Linux Kernel Mailing List , "open list:USB GADGET/PERIPHERAL SUBSYSTEM" , linux-wireless , Masahiro Yamada , Michal Marek , Nick Desaulniers , Netdev , syzkaller-bugs , Zekun Shen Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Wed, Mar 16, 2022 at 12:45 AM Dmitry Vyukov wrote: > > But the bug looks to be fixed by something anyway. git log on the file > pretty clearly points to: > > #syz fix: ath9k: Fix out-of-bound memcpy in ath9k_hif_usb_rx_stream Yeah, that commit 6ce708f54cc8 looks a lot more likely to have any effect on this than my version bump that the syzbot bisection pointed to. But kernels containing that commit still have that run #0: crashed: KASAN: use-after-free Read in ath9k_hif_usb_rx_cb so apparently it isn't actually fully fixed. ;( Linus