From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BECF1714B2 for ; Wed, 4 Sep 2024 23:10:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725491404; cv=none; b=JcH34TIEQnGG8Hcoi1iyJN0KRRXSab9fAXAVw4TqJrHNUicRe8qXcdHizUrmwLtZ3IFlr+8DDqPZ5PorPpRYfoLPr6Qqv/0mfQsUp6BSbMYpDUxZx6mVE+E1qEwXf4p5uArFiCqnK5VgeVc+gW+9ehl3+R+52fcqPNb52/Fkl08= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725491404; c=relaxed/simple; bh=XDCEXeZjDEgTsnaKTeQtn71nPRiCuzPxvN7L3apD7zM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=LdFLSj+D6nGhXaSFauAcvz2Duu8XnNkqO+7sOfpBu//uPxP+VrY1UVa4I9a4lT/Jd/PWdtMWPC7GQLU/0iK8l6YjW6EinVgXHSJOIUqzIaBWuPlbCK2C+io1Tv/DrQTcoHQH1injeBM+7cQg6ilgSiiqZbTBViCxitRWD34LBmU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-82a20631362so26831139f.0 for ; Wed, 04 Sep 2024 16:10:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725491402; x=1726096202; 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=v/ho66xjoxyTrQbP+mTI+/BUPw0B7PvrXhsz5eATbiE=; b=MWJ2V12ULgPhJDX/+7haTCu1Sg2l+8dfb+z34QPZmjktRqI0isHb9z77BTyb64dSBX ylOsfPbK3AslHwAfbtnF5esv61tUJaMWYa8TKD3d37Dvsc6wNFDAZHgqpO7UNpobfFFu 9TdFhl1x2lvwYWRymCq6V92ch7SSpqiBrPRf0kblQgICQNkEPzkpOnaESEeMNyPG/HeP IYqazCTgLYY2Q6H2gkYGMVW/Ez8ptvzEsH4/mnrtYnAStduxIXwmGG4W7Ubl/FhlJR6l jVJlKkVbLiPeOB9aSWu85JmEKeJAyfg9eAn5CSoTldbWTeLyvJWAVuWuXbUzdWLBwRlS +Tkw== X-Forwarded-Encrypted: i=1; AJvYcCXV17znPJRjzsUIyWi/5t2MuI0+R/QMUJzkONQKDQyhhOwc3WHRRd8brXEi1kwNrmrZ3mZZV9sLYTk=@vger.kernel.org X-Gm-Message-State: AOJu0Yw01qNPjym41uQWOIx7xdi9JvLsvTK+mXJ/OEemC/FLU4KmU33p RqOrBqvmP+BKx7pOXHO+QRwWiSKqbiGWCf7ps0aULV4ZcgSTTazXBtl7AWUj9oB1nxr5Gfx5kts +inpt6+vUNndgvgRKfPKNioGPk7We331g2zmJLa96JJkRdyTa081sfBw= X-Google-Smtp-Source: AGHT+IF39j2FjCLuhwIJ0BNVL6jmyKTmWOhxtJQqyLt7DgNe2elxCC9qyWzmlJYlUL4s4JpA3pYrwBl05j2I9Gogjz8+/FjhZjrn Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a6b:f70c:0:b0:804:2f5b:9a40 with SMTP id ca18e2360f4ac-82a791e8ec7mr8073639f.1.1725491402614; Wed, 04 Sep 2024 16:10:02 -0700 (PDT) Date: Wed, 04 Sep 2024 16:10:02 -0700 In-Reply-To: <0000000000008cec8b0619e97267@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001dc6ed062153467b@google.com> Subject: Re: [syzbot] [usb?] INFO: rcu detected stall in __mod_timer (5) From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, rafael@kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 22f00812862564b314784167a89f27b444f82a46 Author: Alan Stern Date: Fri Jun 14 01:30:43 2024 +0000 USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14eb4cab980000 start commit: e0cce98fe279 Merge tag 'tpmdd-next-6.10-rc2' of git://git... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=b9016f104992d69c dashboard link: https://syzkaller.appspot.com/bug?extid=ab28cee83cdcfd7f87ca syz repro: https://syzkaller.appspot.com/x/repro.syz?x=126531d6980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12b27be6980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages For information about bisection process see: https://goo.gl/tpsmEJ#bisection