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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=3dW5iJGyenAT8LbifkLRxPjPziRf60aygTMYbhkN1qo=; b=b3YsxcQyrZCBH+h1+DkJUIVOyp8fcgSiJ8PZ4UcGdAURJen29GwYop8UOSZyK1CBHY Hb9luVoi4Rvn2NqQ1+ZVoAjYUYtTqG+hZ+Bx9mZwXvStZ8rXV7AIv/Op6E6/Io4Ur4/c fYkzwTZyDr1+tWk4NgJ4SfdycxY/ac2VStyi7ORpEvkZvIQToo8Sanz6x2mwvuHvvYSR VNKE52OpClLUTgJFsO7ATR9U9dpIOFhidKP6oA54dGPK933xXlqkBMNjSEYfPcyrVicq vmj4JJih8o9wnctply3dCHmQ6E9s8CalnSJqA0h9uy89Gxj9XQVwNMc0T4YwLjVN8OEO VlAA== X-Gm-Message-State: AOAM533od7krOABS+GP5jCBidboSLsUgNCeX9dhpyehuCmfQykWC2NhJ dJNBN8z6MtIhsOI+7uF8EHt/jGDKqBPjQy034eEcwg== X-Google-Smtp-Source: ABdhPJzmFUliet4TASFFX0KaY/ohZQwTR/4/oMyKhnW5tzJlUCEbPAj9aXkJxCmTrqlS5FD1U/6ZHBMKNsqhE09rGbc= X-Received: by 2002:a63:2209:: with SMTP id i9mr909164pgi.130.1600885946905; Wed, 23 Sep 2020 11:32:26 -0700 (PDT) MIME-Version: 1.0 References: <13659a4e-ad71-0cef-4bfa-3eb4b8c73f4b@gmail.com> <000000000000cce55c05afe0f8f0@google.com> <20200922072639.GA1578565@kroah.com> <8f8706c4-090d-20fe-a4c9-40d99d3a0e1c@gmail.com> In-Reply-To: <8f8706c4-090d-20fe-a4c9-40d99d3a0e1c@gmail.com> Date: Wed, 23 Sep 2020 20:32:15 +0200 Message-ID: To: Brooke Basile Cc: syzbot , USB list , syzkaller-bugs , linux-kernel-mentees@lists.linuxfoundation.org, Dmitry Vyukov Subject: Re: [Linux-kernel-mentees] INFO: trying to register non-static key in ath9k_htc_rxep X-BeenThere: linux-kernel-mentees@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Andrey Konovalov via Linux-kernel-mentees Reply-To: Andrey Konovalov Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" On Wed, Sep 23, 2020 at 8:28 PM Brooke Basile wrote: > > On 9/23/20 2:06 PM, Andrey Konovalov wrote: > > On Wed, Sep 23, 2020 at 7:42 PM Brooke Basile wrote: > >> > >> On 9/22/20 3:38 AM, Dmitry Vyukov wrote: > >>> On Tue, Sep 22, 2020 at 9:26 AM Greg Kroah-Hartman > >>> wrote: > >>>> > >>>> On Tue, Sep 22, 2020 at 08:49:39AM +0200, Dmitry Vyukov wrote: > >>>>> On Tue, Sep 22, 2020 at 8:21 AM syzbot > >>>>> wrote: > >>>>>> > >>>>>> Hello, > >>>>>> > >>>>>> syzbot has tested the proposed patch and the reproducer did not trigger any issue: > >>>>>> > >>>>>> Reported-and-tested-by: syzbot+4d2d56175b934b9a7bf9@syzkaller.appspotmail.com > >>>>>> > >>>>>> Tested on: > >>>>>> > >>>>>> commit: 98477740 Merge branch 'rcu/urgent' of git://git.kernel.org.. > >>>>>> git tree: upstream > >>>>>> kernel config: https://syzkaller.appspot.com/x/.config?x=2c523334171d074 > >>>>>> dashboard link: https://syzkaller.appspot.com/bug?extid=4d2d56175b934b9a7bf9 > >>>>>> compiler: gcc (GCC) 10.1.0-syz 20200507 > >>>>>> > >>>>>> Note: testing is done by a robot and is best-effort only. > >>>>> > >>>>> Hi Brooke, > >>>>> > >>>>> As far as I understand, UBS is currently completely broken on upstream > >>>>> HEAD, so testing any USB bugs on upstream HEAD will lead to false > >>>>> positive results only. > >>>> > >>>> Broken in what way? I don't see any bug reports here... > >>> > >>> I mean this "USB driver ID matching broke": > >>> https://groups.google.com/g/syzkaller/c/VKfxh__m05w/m/ArzTtar-AgAJ > >>> syzkaller can't test usb, nor reproduce any existing bugs on the upstream tree. > >>> > >> > >> Hi Dmitry, > >> > >> Thanks for the heads up and for the link to the thread with the information. > >> > >> I recently fixed the following bug: > >> https://syzkaller.appspot.com/bug?id=cabffad18eb74197f84871802fd2c5117b61febf > >> > >> I tested this on my local syzkaller instance before sending it in to > >> syzbot and the kernel panic was resolved, however I did get "-busid- is > >> not in match_busid table... skip!" in dmesg-- should this be taken as a > >> false positive as well? > > > > Hi Brooke, > > > > Yes, this line means that the kernel is broken and testing USB > > programs with syzkaller is impossible. > > > > Thanks! > > > Gotcha, I'll hold off on working on USB bugs for now then. > > The above patch has already been applied to the ath-next tree: > https://patchwork.kernel.org/patch/11769845/ > > Should I have the patch reverted or is it safe to assume that any > regressions will be caught in the -next tree? If you believe the patch fixes the issue, then it makes sense to keep it. If it actually doesn't, syzbot will report the bug again once the patch is in the mainline. Thanks! _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees