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 A4313C433EF for ; Wed, 8 Dec 2021 22:12:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240513AbhLHWPn (ORCPT ); Wed, 8 Dec 2021 17:15:43 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:41942 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240508AbhLHWPm (ORCPT ); Wed, 8 Dec 2021 17:15:42 -0500 Received: by mail-il1-f199.google.com with SMTP id r1-20020a92cd81000000b002a3ae5f6ad9so4816586ilb.8 for ; Wed, 08 Dec 2021 14:12:10 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=YDuFQ6emh5gUoA6TdFfIdjfCjIG5wOobAHlEcRoJOl8=; b=DayAboCp0hqI4ux1YPVb25ZVXWpLQu4FN+XdKg3Y47ERWjjRSxwSQuJ+zNfM6zDRWr oZSUEnIlWTxBja6MrB+noCBxdIIsqQA8hIX71kFYR8+CMepfB/sxf+3kUiYLN5/SseHD EYqYxcWrtcpyKtkF7cRElOcEwsF4MwLPJjH5+L9CkjP5r+NrhHjJKiIO8fxUv8Gh+5fK 0OXT1TA8KF9HiAItI4Vlgl2De4S7uGguzCoA5pPOk8PiqTftUcymKRes3ZEpuJLa/Vtw LvCEKIjOrBUjyZESQJh1LeObAnLRQTHtVw6eAE6saYmQ8dFNl6jFUJqhlqeNZkDOOthP 4dJw== X-Gm-Message-State: AOAM5324yRyOdnSAAbN3HsZYNCuo2+EUwMdEl2W8Sxi+CkvjoeOm5LCj Us8Go+Y66JSnPNcVYt0Pmd9sTg6yJS39xjGZGKOIQ31R0YFg X-Google-Smtp-Source: ABdhPJzDOMT8txQxYMhtFkPjs0jYJ8eGusGov8KXPtu3gDsFT0eObG9rdXmU3Y/TVBdj4zBJS2NgvnKjeItwx1YMxCue6BjKIzJ3 MIME-Version: 1.0 X-Received: by 2002:a02:9f15:: with SMTP id z21mr3393897jal.137.1639001529964; Wed, 08 Dec 2021 14:12:09 -0800 (PST) Date: Wed, 08 Dec 2021 14:12:09 -0800 In-Reply-To: <000000000000e016c205d1025f4c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000fadd4905d2a9c7e8@google.com> Subject: Re: [syzbot] INFO: task hung in io_uring_cancel_generic (2) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, clm@fb.com, dsterba@suse.com, fgheet255t@gmail.com, io-uring@vger.kernel.org, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, wqu@suse.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org 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 bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=103f2ae5b00000 start commit: cd8c917a56f2 Makefile: Do not quote value for CONFIG_CC_IM.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=123f2ae5b00000 console output: https://syzkaller.appspot.com/x/log.txt?x=143f2ae5b00000 kernel config: https://syzkaller.appspot.com/x/.config?x=5247c9e141823545 dashboard link: https://syzkaller.appspot.com/bug?extid=21e6887c0be14181206d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1218dce1b00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16f91d89b00000 Reported-by: syzbot+21e6887c0be14181206d@syzkaller.appspotmail.com Fixes: 741ec653ab58 ("btrfs: subpage: make end_compressed_bio_writeback() compatible") For information about bisection process see: https://goo.gl/tpsmEJ#bisection