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 BAD2AEB64DD for ; Fri, 23 Jun 2023 13:32:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231147AbjFWNc1 (ORCPT ); Fri, 23 Jun 2023 09:32:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229666AbjFWNcY (ORCPT ); Fri, 23 Jun 2023 09:32:24 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D2342130 for ; Fri, 23 Jun 2023 06:32:23 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-76c6c1b16d2so41413039f.1 for ; Fri, 23 Jun 2023 06:32:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687527142; x=1690119142; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=mPlj0ePe9xQ/WGGxyQBMmpisE5qo9ZSTCQrilqsvigQ=; b=GkeAI6YCBJLyyqTexprsUH2OovXNPBlIPrh4SjJcaMuX35ZQxD7SmvQEUzHJESyaPb SPPTCoD2basTLZB63OdNOXKFTC04wHR7H5tvhYCnayYRrNXA1Z6saBn0C+3VpWxMhBri GF/k0uWqSuGmxOA/o8n8hzg1gya+bp8hS5oehJu15c0zExvl+ekw1IavVUzXfca0QAdV KK4gagN7JtAptzsFHvD+b8Du1JYO8VwL9MDKuvFNq4IM1qDpAz8AV1GmpVNpEKA6KNlR X+L0kv7LaYW9zVw0J3dtOcaV84K6G91icja4F2937NjI056Bt/4H5y8CZTHWfUaGe6LW 77ng== X-Gm-Message-State: AC+VfDxv2bxYhx/WJC9yEe5rCz0U8VhRd9pYXhfBRrRybd5xQncjJwwr rhMilTV9hZlRtmxruczBAu/BJxRthcA7q/H91M3xHrGnqQo4 X-Google-Smtp-Source: ACHHUZ7es2/0OYCgP9Xe9+U9nOMkBNUXSJs2+g2Sx3i1cyfAId1btZVYLtMzAKFe6WLIK1k38RkxmhHr4PLlb5Wssps8Nws/9xja MIME-Version: 1.0 X-Received: by 2002:a02:848f:0:b0:423:219d:81ce with SMTP id f15-20020a02848f000000b00423219d81cemr7555030jai.2.1687527142625; Fri, 23 Jun 2023 06:32:22 -0700 (PDT) Date: Fri, 23 Jun 2023 06:32:22 -0700 In-Reply-To: <000000000000a56e9105d0cec021@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e298cd05fecc07d4@google.com> Subject: Re: [syzbot] [usb?] WARNING in usbnet_start_xmit/usb_submit_urb From: syzbot To: andreyknvl@google.com, davem@davemloft.net, dvyukov@google.com, edumazet@google.com, gregkh@linuxfoundation.org, kbuild-all@lists.01.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, lkp@intel.com, netdev@vger.kernel.org, nogikh@google.com, oneukum@suse.com, pabeni@redhat.com, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com, troels@connectedcars.dk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 45bf39f8df7f05efb83b302c65ae3b9bc92b7065 Author: Alan Stern Date: Tue Jan 31 20:49:04 2023 +0000 USB: core: Don't hold device lock while reading the "descriptors" sysfs file bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=124b5877280000 start commit: 692b7dc87ca6 Merge tag 'hyperv-fixes-signed-20230619' of g.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=114b5877280000 console output: https://syzkaller.appspot.com/x/log.txt?x=164b5877280000 kernel config: https://syzkaller.appspot.com/x/.config?x=2cbd298d0aff1140 dashboard link: https://syzkaller.appspot.com/bug?extid=63ee658b9a100ffadbe2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1760094b280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1359cdf3280000 Reported-by: syzbot+63ee658b9a100ffadbe2@syzkaller.appspotmail.com Fixes: 45bf39f8df7f ("USB: core: Don't hold device lock while reading the "descriptors" sysfs file") For information about bisection process see: https://goo.gl/tpsmEJ#bisection