From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f174.google.com (mail-yw1-f174.google.com [209.85.128.174]) (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 B69A21AD403; Fri, 13 Dec 2024 09:36:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734082575; cv=none; b=oGfVjSMQXXLM/1q3M0c36sZi102JvASAu2UyU0b68FIR4wrt/Vq/K150HNToXiD0uD0WaHjWQUkm5oiSBsrDO1U7NQHm6p848mtLytCgOLEMu1pggM/7VsS74XQ+NTGmEGdRHoiz4YieaXTfFtoXsXkQKkYMfH2MSILJiob2v7Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734082575; c=relaxed/simple; bh=+rxdRkCEpJyZXEgcDtkC1TaJssU/OargQPdjt2CzW+A=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=RW0mrwiGCLItTZrRHTZilQcApVjlesEKe6Sp/XgwmDUIDQhdF33AMZ/Qy7JDl5/J6SiPDTLrTeXTA5iUCWnzqbmR8kxozx3nx2br9zMaTjGpxMJj40xfi0314Y9ZlN3llWxmUUelDTEgq8XcSFfKrVmT2nQJSWIfCUE1XPl2GMs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Qgh/6jmF; arc=none smtp.client-ip=209.85.128.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Qgh/6jmF" Received: by mail-yw1-f174.google.com with SMTP id 00721157ae682-6ef66a7ac14so26435967b3.0; Fri, 13 Dec 2024 01:36:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1734082572; x=1734687372; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=+rxdRkCEpJyZXEgcDtkC1TaJssU/OargQPdjt2CzW+A=; b=Qgh/6jmF9E0GWfgsCOcWI63EqHL7qCVe19TuioCG4nDrXcp9GlerYolAMVrqMoUmPH Aw3LGi1hrxII5YIY+xRZKd1qKXNwKcmUi6/fdCCu2Pbo+N/78OobC45/FUh2cw5/m6yy i6nHftrVVZggXeQFiIKgEcVfN49+3MSuBmcvjKHWHdzyXfdYMzqFNjyxWrKzDHuH4B98 betxeB5agqsx3CvPT8Qjg03PVHyazzNzqHjyhIpPF5TStNyABAndh6/tt5FlSyXPtgmj qmy6X1/A2jahx8HaRpRt4kmnCZeFbAp6e6t5dRaeP1f1bjWdRlqUGB78rDSao+zbF29y hahQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734082572; x=1734687372; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=+rxdRkCEpJyZXEgcDtkC1TaJssU/OargQPdjt2CzW+A=; b=G73ydBhFrB4lieesHcD9uGDG5WdYiBedf+6SUol2cvFB/REQJ5/JmIP89mnLRvTUa1 oWI58Gi+cOhr7qn5Snh4uumTagTozLbPjdbFdRD00T+PXmDt88r7FJmyTY2JgE7LQxOw Ga3qAH6OJzoIEIjBVTL2eMSyzVlQ1X5ZqVYDoa2pkFlp3LTsPXTEjAE2CcDsVJ1hbwAS djEVTGyw44OPnGHWEJrMJLpGAv0Xe3OoqRFmbQxwS/ltRIbTmFLVQnwSx/o+8c/FLFQO dRLdm+u7m3KiXUPgynBA8BPg4thSmOg9yXX8xy5UGtk2CZcIKSQa5XYVAmumzSfLKdZB OXog== X-Forwarded-Encrypted: i=1; AJvYcCVa6m7YntwdcL0bmC5NnMAJ30JDadPIdcgvCbn8q0rMY+T6iZB3VtfFIBzLdHR35cDXYw9QWP6dFQ==@vger.kernel.org, AJvYcCX6lFi2Rux6epj7vDUOiGuj3lSZmFiHOrOI4ttGV0mLaSHTZkR6vgZWwL+PzQADV69oNOEKTSiKrnKZyKjO@vger.kernel.org X-Gm-Message-State: AOJu0YwtyBbSghMoM219NqRYtwxxVEfJl+Cpjvn5f1pw1lKNvMpeUcCx SmC0ovOunBHkZTtvRgIM1jBkZJn+dnx9IpPOhRkjrJNznZW5++stB8ZWv9+TPeTCifHz22JHLc9 /hngA00YkSOcfqfDBLMKDaPHXzKFRDy8n X-Gm-Gg: ASbGncuo3z4jL1Aa6rYIgjXq4Cw3jeWx1qoIQYqESL/OWpiU/p2xmUF76dVxut3R9px i3Twrqep14rOHJjtINZ7qn1Cr90/ms0yMMH8i8rWNxCV+2HQYeiPQEadhrbc1cBfNnufyFHlL X-Google-Smtp-Source: AGHT+IETYv4yCgY15jQaAl0eCYeRVzINNlYAO/KWq2Chq8NjOD5ilaX3qfuou590SeL3PTEYOetNTnvZlFEtc9C9GSw= X-Received: by 2002:a05:6902:220d:b0:e39:9e17:62e1 with SMTP id 3f1490d57ef6-e438930b56fmr1387241276.8.1734082572680; Fri, 13 Dec 2024 01:36:12 -0800 (PST) Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <1a779207-4fa8-4b8e-95d7-e0568791e6ac@kernel.dk> In-Reply-To: From: chase xd Date: Fri, 13 Dec 2024 10:36:02 +0100 Message-ID: Subject: Re: possible deadlock in __wake_up_common_lock To: Jens Axboe Cc: Pavel Begunkov , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Yeah sorry it was my mistake, the patch works perfectly! On Thu, Dec 12, 2024 at 3:28=E2=80=AFPM Jens Axboe wrote: > > On 12/11/24 4:46 AM, chase xd wrote: > > Hi, the same payload triggers another deadlock scene with the fix: > > Looks like the same thing, are you sure you have the patch in that > kernel? > > -- > Jens Axboe >