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 7134CC433EF for ; Thu, 9 Dec 2021 02:51:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230502AbhLICyj (ORCPT ); Wed, 8 Dec 2021 21:54:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230493AbhLICyj (ORCPT ); Wed, 8 Dec 2021 21:54:39 -0500 Received: from mail-qt1-x82b.google.com (mail-qt1-x82b.google.com [IPv6:2607:f8b0:4864:20::82b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58CD6C0617A2 for ; Wed, 8 Dec 2021 18:51:06 -0800 (PST) Received: by mail-qt1-x82b.google.com with SMTP id l8so4117009qtk.6 for ; Wed, 08 Dec 2021 18:51:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=B979q6ddQLG5Ot2SrtxCZEXqDjlc8fbt8EspuchXQ0A=; b=SLpEHH7qPnsB6X6iZm1ONom9E3gFdxFLT8KucVziTopLYhI0eqTTM2NpQctWKopKOd IHOcAXkaCqZzZcpPv2cHI8dXAq/84HfHr+3XDoSzpSpvNbIK9rCT0ViJ4HkiXVkc3G2V Ib31bLMBA3D3Q2dvpN1QPVSJI+Lrs1qEh0wTW6Zu815iME5aLX8DcEl0flXmNYbiAx6H 9JhTsPVPyQvvXxTgsYWVVdYouZVRQq7JjAWHbKRsPCIfmjPHGFh1As7QbZZRWE2lpyfF FkqZmdgZ++AzS5HFeEqjbFaoy8Bxm0XMksGMfTGGWJHPwrpT2NQ73nadShshznJVvCj+ JX4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=B979q6ddQLG5Ot2SrtxCZEXqDjlc8fbt8EspuchXQ0A=; b=QuTaDRkvqlUawI4k/jtCTygATvIq1R9VqdBKyxQZJwfDKGOSwSB1IzBcIWQLAqEe3A +w0sAj8qllaLMPwUWQJP8u8TKj/gvlaqUaoEGjq+i1y00QzcKV3kwwnP19WOr0VpO3o7 aiQYx5WEmD1PmYMeqYcKTocP3vAbUCKIWgAfer7gKL+/9AxRMpd/mqN00ZN7a11PNmdJ WFBYuwrJyAIzpRiwHqA+4pGmvqj3b8ZurMPOv4clzIz8dU8wW/971kpkPKRLxJKh8PlE DikKIdGjuBDrTO33Vruk8iQhKc15oovA1W9p4jW7WZ1XxNUwhVOiVTVJY4+aT6x0rMUP RRXA== X-Gm-Message-State: AOAM530eAqHlhoLD/NQ52/YF7qYmQ1RyiwoSlSKjsu5PQZkuzXbNdBh+ 5s65MqSCb5kY9ERf6cZ98nzG2g== X-Google-Smtp-Source: ABdhPJxg5TPBkxtZgnny57BOOmkxFtLUUU+nohfMeGsO+R62PsrQwW7PYLiURSO0uYF+oftpgSnmJg== X-Received: by 2002:a05:622a:287:: with SMTP id z7mr13414308qtw.223.1639018265306; Wed, 08 Dec 2021 18:51:05 -0800 (PST) Received: from localhost (cpe-174-109-172-136.nc.res.rr.com. [174.109.172.136]) by smtp.gmail.com with ESMTPSA id h11sm2398516qko.18.2021.12.08.18.51.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Dec 2021 18:51:04 -0800 (PST) Date: Wed, 8 Dec 2021 21:51:03 -0500 From: Josef Bacik To: syzbot Cc: asml.silence@gmail.com, axboe@kernel.dk, clm@fb.com, dsterba@suse.com, fgheet255t@gmail.com, io-uring@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, wqu@suse.com Subject: Re: [syzbot] INFO: task hung in io_uring_cancel_generic (2) Message-ID: References: <000000000000e016c205d1025f4c@google.com> <000000000000fadd4905d2a9c7e8@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000fadd4905d2a9c7e8@google.com> Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Wed, Dec 08, 2021 at 02:12:09PM -0800, syzbot wrote: > syzbot has bisected this issue to: > > commit 741ec653ab58f5f263f2b6df38157997661c7a50 > Author: Qu Wenruo > Date: Mon Sep 27 07:22:01 2021 +0000 > > btrfs: subpage: make end_compressed_bio_writeback() compatible > This isn't the right patch, this is x86 so sectorsize == pagesize, so this patch didn't change anything at all. Also unless the local fs is btrfs with compression enabled I'm not entirely sure how this would even matter, the reproducer seems to be purely io_uring related. Thanks, Josef