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Wed, 30 Sep 2020 08:57:54 -0700 (PDT) Subject: Re: [Linux-kernel-mentees] KMSAN: uninit-value in rt2500usb_probe_hw To: Greg KH , Dmitry Vyukov Cc: Andrey Konovalov , syzkaller-bugs , LKML , Alexander Potapenko , syzbot , linux-kernel-mentees@lists.linuxfoundation.org References: <000000000000b8d3ef05b02efa93@google.com> <20200926065704.GA661191@kroah.com> From: Anant Thazhemadam Message-ID: Date: Wed, 30 Sep 2020 21:27:50 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200926065704.GA661191@kroah.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 26/09/20 12:27 pm, Greg KH wrote: > On Sat, Sep 26, 2020 at 08:53:07AM +0200, Dmitry Vyukov via Linux-kernel-mentees wrote: >> On Sat, Sep 26, 2020 at 5:25 AM syzbot >> wrote: >>> Hello, >>> >>> syzbot has tested the proposed patch and the reproducer did not trigger any issue: >>> >>> Reported-and-tested-by: syzbot+35c80b2190255a410f66@syzkaller.appspotmail.com >>> >>> Tested on: >>> >>> commit: c5a13b33 kmsan: clang-format core >>> git tree: https://github.com/google/kmsan.git master >>> kernel config: https://syzkaller.appspot.com/x/.config?x=41fca8ac7f9e770a >>> dashboard link: https://syzkaller.appspot.com/bug?extid=35c80b2190255a410f66 >>> compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) >>> >>> Note: testing is done by a robot and is best-effort only. >> Hi Anant, >> >> I see you are testing lots of USB bugs. USB subsystem is currently >> broken, testing of any USB bugs will give false "no crash" results, >> see: >> https://lore.kernel.org/linux-kernel-mentees/CACT4Y+YmbmrH9gCCnCzP-FYa-dKxx9qhKZ+RQxi1f-+Hoj1SUg@mail.gmail.com/ > Fixes for this USB problem are in my tree now and should show up in > linux-next on Monday. > > thanks, > > greg k-h Is there any chance you could identify the commit that fixes this bug? It would help us close the bug for good. :) Thanks, Anant