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[2620:137:e000::1:20]) by mx.google.com with ESMTP id y10-20020a1709027c8a00b0016d64090c6dsi5865844pll.581.2022.07.30.03.35.11; Sat, 30 Jul 2022 03:35:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233795AbiG3K1N (ORCPT + 99 others); Sat, 30 Jul 2022 06:27:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233254AbiG3K1M (ORCPT ); Sat, 30 Jul 2022 06:27:12 -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 6406B1ADB5 for ; Sat, 30 Jul 2022 03:27:11 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id a20-20020a5d9594000000b0067c9f95d592so1990472ioo.9 for ; Sat, 30 Jul 2022 03:27:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc; bh=mNXc9U3IpQ/oCpk7EwLAV42C9rdtmhFCDfYRU7xuwsg=; b=J98asi3hAV7LUZ2i1Z4XYop64TiOYP8MUqqpOUiwVuDRjHSp00YMYCF+88i5oynbfk FZlK1LBIXWrEwNsGX3fsAMrOYAV0+ZNH09W8wgA+aGmKpRntFXbDUexVCtvW5eMMnn/P ydA3LkTzWKg8wt7c9TksR2TiYFn8nK/HQ4mBX0pbWNl3g8vx6b0alW5fFS6a9JJUZFUo F4tuGDo9xTMKglE6kzlj+7Kiq96RgG79rCsqI/aVAn+T0PYbo7mfmIqWRpi49U1b+Iqw WlNxXidJbCAnyw1t9oJEDBxW6ot49k8ix0f3kQWS2BbhYrK0yPFujHAMRGEIFbmiySFa 3eFw== X-Gm-Message-State: AJIora/qBxMg+ylSxByw/YIfejxAto0TzTYvmrn4JUkfaBcly53DZi3R RtOb2EyJik7kpjmGR6TwLiiaEYEYS4xFFt6O7VvbbSyAIhsR MIME-Version: 1.0 X-Received: by 2002:a92:b750:0:b0:2dd:9194:3ea8 with SMTP id c16-20020a92b750000000b002dd91943ea8mr2750644ilm.197.1659176830619; Sat, 30 Jul 2022 03:27:10 -0700 (PDT) Date: Sat, 30 Jul 2022 03:27:10 -0700 In-Reply-To: <000000000000109c040597dc5843@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009bd74d05e5033509@google.com> Subject: Re: [syzbot] INFO: rcu detected stall in hub_event From: syzbot To: andreyknvl@google.com, balbi@kernel.org, benjamin.tissoires@redhat.com, fweisbec@gmail.com, gregkh@linuxfoundation.org, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mingo@kernel.org, quic_mrana@quicinc.com, rafael@kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.9 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 859bdc359567f5fa8e8dc780d7b5e53ea43d9ce9 Author: Mayank Rana Date: Wed May 18 18:12:52 2022 +0000 usb: dwc3: core: Add error log when core soft reset failed bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=144812f2080000 start commit: 6e2c0490769e Merge tag 'drm-fixes-2022-07-29' of git://ano.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=164812f2080000 console output: https://syzkaller.appspot.com/x/log.txt?x=124812f2080000 kernel config: https://syzkaller.appspot.com/x/.config?x=26034e6fe0075dad dashboard link: https://syzkaller.appspot.com/bug?extid=ec5f884c4a135aa0dbb9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=119bc436080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c3c0f2080000 Reported-by: syzbot+ec5f884c4a135aa0dbb9@syzkaller.appspotmail.com Fixes: 859bdc359567 ("usb: dwc3: core: Add error log when core soft reset failed") For information about bisection process see: https://goo.gl/tpsmEJ#bisection