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 26B67C3F6B0 for ; Sat, 30 Jul 2022 10:27:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233771AbiG3K1N (ORCPT ); Sat, 30 Jul 2022 06:27:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233419AbiG3K1M (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 62AC7167CF for ; Sat, 30 Jul 2022 03:27:11 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id y8-20020a056602200800b0067c008bfdfeso1978589iod.2 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=D1rxOkwzCa0gk9eXA1IMB11EXH5tk8Jg2oeTUbmZVzX7cCp1T1fS3oiq24luQf8vZ/ MGPobogkh2rfJ5GEX3RuRsGkgqR/78GNeGDc+22jGfxfEiVO+KnMSuxvBwmU9aJWLkq7 o8Wk/aL04ORksEmUZVhnteo15L48b9ZKv88dmkgQKRIVG9KhDNpF1YD46EjYxb6R4FVW JB+D2bB4kxMp1hR+s18wvblyEwYJVqsoWPs4VVzvPRJPlXSgVGdYGG7FcEWeUfki9J6q 9o0J+ZpxV/ereDysJKvAQcEDMowHrqEFud1gXEALhLGgEbkRPUwRoXttzwNXrhq3khTp 7obg== X-Gm-Message-State: AJIora8o+xAyAW9BW5KanoiNhnoEums9usD4yox06OFm+nfUSZI/dsXg oTLflDW+eHEzeRsRUNbr63EDNUIMx4VwcCiorMw97DPVAZT0 X-Google-Smtp-Source: AGRyM1tD/Co71uWMmElhO8YQYnXgHSc+IQXq6qB2ByLb4ASbs0n0XTlcO3FruxUQROFhUMrb06lKvwPRtaCZ5Jqae5S5j/KV1fsa 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" Precedence: bulk List-ID: X-Mailing-List: linux-usb@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