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 X-Spam-Level: X-Spam-Status: No, score=-7.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA741C433EF for ; Tue, 7 Sep 2021 19:30:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7DA761078 for ; Tue, 7 Sep 2021 19:30:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245599AbhIGTbp (ORCPT ); Tue, 7 Sep 2021 15:31:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233374AbhIGTbp (ORCPT ); Tue, 7 Sep 2021 15:31:45 -0400 Received: from mail-il1-x12c.google.com (mail-il1-x12c.google.com [IPv6:2607:f8b0:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9ACB5C061575 for ; Tue, 7 Sep 2021 12:30:38 -0700 (PDT) Received: by mail-il1-x12c.google.com with SMTP id j15so246127ila.1 for ; Tue, 07 Sep 2021 12:30:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=v0NXlxBTeEi3do2hDI3EUhz1rB97bKcDUu5e3uBm2y4=; b=CnN0grQMu2KtAdQbiFJTNYhIJ+Ziwuj3At2l8swhKX5m486ypX6krJngp/DyJcJ4Mq tSI/oCUhkRH0imlZqZ85/uQjS5zYVDO9b1hF6A0L2kUoMOyUzu5zB+6ttwQgszU95HuB 2isjazjLBht+UNImG/0JdH2z/tVd/wttyKJOW3M3ulCWlTZ1oAeHk6SYUds0Zu17rbqi qV/wQ70K7Qqw5hJZWVZ0vwSrtG9hwfArhhzDBhBhU2eWu2nenTiVHPjD/99HK1IJaRAv tyAlo6FPwzxNwbMK0Mx6jLBc4jNm926+isFNTn7+5xfWFwyObMtiHJQFMiUO5HVM5QwF GKEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=v0NXlxBTeEi3do2hDI3EUhz1rB97bKcDUu5e3uBm2y4=; b=UcCT7v1hjq+wLM6jACseg5THstzvGno2YKfEvWcKSGHsu2V61eqIBms1zscUB5H+wl qMcYKVfB1kLBi4a8NlJd4RrceKil35UTxjgRfhUHc7kiE9ZV1pGS3OMvi0VZBEUM73pt ev3kGx3fXuBkII49wRZSqur7+8fBgnz6f0zZd4xV6rqKHDVsLKWu7AyVhgz7SK6d3kxG WV3n7Pvzrpv2cKcsEqbyTiv2d4JVGR97kcjY+YKytAcNj7aH5cl+rroZ4eH+OxWIFn6l FgzdNb9+nhW6eG7/31mx/UDQJ0NoIc11VSrStYY0q/bPqz2C0YGZ6/yFES9RyZggq0CY U8Yg== X-Gm-Message-State: AOAM533NVTKgBM9vfBfbRIg2XOeYp1zPcgROMCHfw6dPSYecL6/nkIoZ 4GNJiz7l1Gi9Y9kCqDJ9gzDAPKD/an/84w== X-Google-Smtp-Source: ABdhPJzbZ3DLMj14zw45tQBSXU9Qh7mT+TBcc4oI/+U2vT+tNOF2giUK60tTjS8fJRB0skLQSgy/0Q== X-Received: by 2002:a92:d3cf:: with SMTP id c15mr13493524ilh.131.1631043037904; Tue, 07 Sep 2021 12:30:37 -0700 (PDT) Received: from [192.168.1.30] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id r18sm6260ilo.38.2021.09.07.12.30.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Sep 2021 12:30:37 -0700 (PDT) Subject: Re: INFO: task hung in io_uring_cancel_generic To: Hao Sun , io-uring@vger.kernel.org Cc: Pavel Begunkov , linux-kernel@vger.kernel.org References: From: Jens Axboe Message-ID: Date: Tue, 7 Sep 2021 13:30:36 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 9/7/21 5:50 AM, Hao Sun wrote: > Hello, > > When using Healer to fuzz the latest Linux kernel, the following crash > was triggered. > > HEAD commit: 7d2a07b76933 Linux 5.14 > git tree: upstream > console output: > https://drive.google.com/file/d/1c8uRooM0TwJiTIwEviOCB4RC-hhOgGHR/view?usp=sharing > kernel config: https://drive.google.com/file/d/1XD9WYDViQLSXN7RGwH8AGGDvP9JvOghx/view?usp=sharing > Similar report: > https://groups.google.com/u/1/g/syzkaller-bugs/c/FvdcTiJIGtY/m/PcXkoenUAAAJ > > Sorry, I don't have a reproducer for this crash, hope the symbolized > report can help. > If you fix this issue, please add the following tag to the commit: > Reported-by: Hao Sun Would be great with a reproducer for this one, though... -- Jens Axboe