From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f179.google.com (mail-yw1-f179.google.com [209.85.128.179]) (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 503F018452C; Fri, 13 Dec 2024 17:48:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734112087; cv=none; b=saO0SifRYt4Ji/SZyq4YZ8se1/rQ1v7YAgOcQIcPMdGWSMzItB2HDsmPtNHIFrVOmlf34CI0zcoswH7qqvEhU6r4DVhvFa5WNjYEpgPHnN1lMeKSmitoefmFki5oAfX3WMo+d9Ho/3/zxXPdm3Gzs1RDXr4FOpuniulMh9I56WY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734112087; c=relaxed/simple; bh=Z2GSe2PKQp2mT2rtZNiFE5J+/aEFFtbfC1olyaWRgmk=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=mvWa1aerpr0jsvtfWO01fIh25bXDNBS1KgWhucS10zh06vb0G/OhX4tzzLkr3vhMUs4oZqhGDyjCR9In0o9OEqmfYCGdHCf8FTn7iEejc0tpNFybA6RY3p9FAdViJlYXgPWvYsn9HnfCktVSd7w2Zdn0PQvFWGkVPa0dyHhMu18= 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=RI4ydRrh; arc=none smtp.client-ip=209.85.128.179 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="RI4ydRrh" Received: by mail-yw1-f179.google.com with SMTP id 00721157ae682-6efc58fae20so18534507b3.0; Fri, 13 Dec 2024 09:48:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1734112084; x=1734716884; 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=Z2GSe2PKQp2mT2rtZNiFE5J+/aEFFtbfC1olyaWRgmk=; b=RI4ydRrh8T7ErrCt4OWguAwkWv9szlsbHoVMvmbqaLuc8fj8vWNB4mXppcmSjmXF0Y 8tNWoAOKaAPV47I0R5tfxjMa4LhiWNT6F2MWnCCHYCeIwZlfEbGGumhyGLXnA01WHqs7 n+1wxm0QSpjTVFduTYADJDLlz74Vi9rcpAvtz7qDcdPmEGymWaM8UOOySGaPCup6mm/f w9YahFc2vCKYMb/NR+nDmeXLDPi0xIyvmsHgwj5JA7q+7azDpTmpTqIXiq8jsFhPOpZb 6Qrg9LhSCq2W6Pc4iwO07d7i+ICeFIefkObGydVicp/exa6DV4I4x2tK7Hi4mXIBH3WG lPbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734112084; x=1734716884; 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=Z2GSe2PKQp2mT2rtZNiFE5J+/aEFFtbfC1olyaWRgmk=; b=KjEl+AtV8vLC9JIHnM5lEDPdthGNsYYO3UfjuEKw6Az3s/e8bNLWtguG+U8OSJkAjz M6JtjKKOg00Ppci0ZnSfhojHd1iYzD70AV7HmQaQCLRbV4zc8iee25r0RMRRu7R1k2rr Z8jFisqdwSu+Ri/8Dtcl1mpjXJrxJo5pvRR7FXGejjkcpXpRJsd+ru+s3FkssYjx6qgp o90Akk9GZv4/LVhNCL0B9ApPpc2lHVFxUzAadq/BscK5up18XrCJPY+aLv6S3gJwg7iV ZyjXE1p1mBW45PZ6CryHpouaZX14Ejaqok1L4N2IHhAsyi0kgUvxNPuRCZQMe6QbapY9 SnwA== X-Forwarded-Encrypted: i=1; AJvYcCVRibeTqyZdiHbCyDsR56WwlHqkY/y5RFf5VjrxqrKodjJGGqNvPqAzAF/cLWOYt0sRJabzGfkpqKJr0Sha@vger.kernel.org, AJvYcCWEu4A6aqLFG/6IXGhtKKtIcqMV6ywM4BgHBkDPiRDWmQoddfCc9zWIOsGx+gpNwrK7Ey4mTdEarA==@vger.kernel.org X-Gm-Message-State: AOJu0YzLe7kGyJ/lGUBUAX3EORGlO+H0Qetq79jyg0Tz5Tu0HWQSUKdf mmLcMimYKRVyXPm1eT6GYRCFQMibpzO9gvtyPlj/Wqrw265cnFuV6+5D3PLKMUmKNcnsd62HSvd oaKxs+76ichlwSoUHobDAkrMpOgk= X-Gm-Gg: ASbGncsNI47ywmLqTwq8U28MvUg8n8QY0Gx53Edvxt9R7tZ5EmdHF7lUcihSuHljfes yNBRcYK0zRh4gnu4oxEXfqWn7nIcWdj/j4zCGLIhenr03THzEVDDR2BQDMHpDjcGKaCIh44/a X-Google-Smtp-Source: AGHT+IEHbE2vFmYYsljEogGAp+M5bV6igr7WvLKPnlF5AQ4+24uXzXXOtEJ5gRGexQe9v+Uy1+HYZ+JA7eXDQNFVpUk= X-Received: by 2002:a05:6902:260b:b0:e2e:46e5:c2ca with SMTP id 3f1490d57ef6-e434a2573a0mr3132675276.14.1734112084289; Fri, 13 Dec 2024 09:48:04 -0800 (PST) Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: In-Reply-To: From: chase xd Date: Fri, 13 Dec 2024 18:47:53 +0100 Message-ID: Subject: Re: WARNING in get_pat_info 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 The bug was found in October and the newest update on lts5.15 was on 2024-11-17 but still it has not been backported yet umm... On Fri, Dec 13, 2024 at 6:41=E2=80=AFPM Jens Axboe wrote: > > On 12/13/24 10:35 AM, chase xd wrote: > > Hi, when I tested io-uring on lts 5.15 I found this bug, do you think > > this is a bug from io-uring or mm subsystem? > > See this discussion: > > https://lore.kernel.org/io-uring/f02a96a2-9f3a-4bed-90a5-b3309eb91d94@int= el.com/ > > -- > Jens Axboe >