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 F2A4CC433F5 for ; Fri, 15 Apr 2022 02:29:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240223AbiDOCbz (ORCPT ); Thu, 14 Apr 2022 22:31:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235999AbiDOCby (ORCPT ); Thu, 14 Apr 2022 22:31:54 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7EDFDE94 for ; Thu, 14 Apr 2022 19:29:26 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id q3so6162166plg.3 for ; Thu, 14 Apr 2022 19:29:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=QuJCosJ75hrvgLG8GUZo7EAhJssF6Kh6uJP8UrR80aM=; b=k8qlTK22bUJ+zG5n6SJ1kN9f/vU/hzntumXd/F9Awv/63C55bNuUZaZjeRk4A/pukj ktQh4KPddsUnRe8pCCvgVNYDy5pF1F4GQyxUNpdtsZIIYA5/CBlZ8ZzswdGYvQWxXfdO w/C1fxRu/PiCXnhQ1PPCp4NpEjo0lPrmkjRQApD7f70Ws595aVk8+0LIxlVfRHKN1CbB 9Iau8KewiwLn/Diu8DQkEgyW96LDGBjkhdKQdwL41W7pkn5va8QCUBhQ4iwRwLBkuiUw V65oKt8VUiv6eMIC71gatvhDu86N5Q2TnGw8FLGRW8kqtje56cyqUZ5c8l8WNJRFtcnW 646Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=QuJCosJ75hrvgLG8GUZo7EAhJssF6Kh6uJP8UrR80aM=; b=mb4AjlhNtSkSkoLx0n/jRaOQMQoue3PdpPMDyibesHuDKlj88+MNvXXs15mmsyw7ga +xNn1M72X0ak2OHh2m4ndOkU8YozlMH0qxHz+AiyP5yMbKpAbRD9lippqBWNEULAaF8h vsvXnOt46gVPqThWaOPMMKNeSguHjHL6QsqGjMGWVm4frvEbLUZ0XOg2GHkJ7i+dntNZ 6KEy5onu3cSlP3BGiQvU+RcZVqQ+UXmFvfKm5CvNpZ9fH64yz3vs7RP6pBve8krXw37M vjny8541qOjtFzJLG2KnwU4jYt9jVPNhoQaLz36yvkPz9OhDkMzOlq5fzf/xe+zarXlV PCDw== X-Gm-Message-State: AOAM532lCTtf+8mhXB3JvatqyhOmvoR58Qni5WDQcF7qS0+sRCbHeRu0 +u6f0nSMSzVFxYuGmwXVptL+/Il9a8VGjQ== X-Google-Smtp-Source: ABdhPJyo6TDFw+/KNXBjSD+rB74L2YUcblRUPk2lwyji0ZFmVGeNLCD5ummE9IKYojEv1G9BJ+alUg== X-Received: by 2002:a17:90a:c302:b0:1bd:14ff:15 with SMTP id g2-20020a17090ac30200b001bd14ff0015mr1709389pjt.19.1649989766312; Thu, 14 Apr 2022 19:29:26 -0700 (PDT) Received: from [192.168.4.166] (cpe-72-132-29-68.dc.res.rr.com. [72.132.29.68]) by smtp.gmail.com with ESMTPSA id w187-20020a6230c4000000b00505cde77826sm1106805pfw.159.2022.04.14.19.29.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 14 Apr 2022 19:29:25 -0700 (PDT) Message-ID: Date: Thu, 14 Apr 2022 20:29:24 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [syzbot] kernel BUG in commit_creds Content-Language: en-US To: syzbot , asml.silence@gmail.com, ebiederm@xmission.com, io-uring@vger.kernel.org, legion@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000a7edb305dca75a50@google.com> From: Jens Axboe In-Reply-To: <000000000000a7edb305dca75a50@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 4/14/22 7:30 PM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 40354149f4d7 Add linux-next specific files for 20220414 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=1778a95cf00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=a44d62051576f6f5 > dashboard link: https://syzkaller.appspot.com/bug?extid=60c52ca98513a8760a91 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1102d2e0f00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15e22af4f00000 > > The issue was bisected to: > > commit 6bf9c47a398911e0ab920e362115153596c80432 > Author: Jens Axboe > Date: Tue Mar 29 16:10:08 2022 +0000 > > io_uring: defer file assignment #syz test: git://git.kernel.dk/linux-block io_uring-5.18 -- Jens Axboe