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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CE65C433EF for ; Fri, 29 Oct 2021 21:21:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D9EF60FC3 for ; Fri, 29 Oct 2021 21:21:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231463AbhJ2VYD (ORCPT ); Fri, 29 Oct 2021 17:24:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231315AbhJ2VYC (ORCPT ); Fri, 29 Oct 2021 17:24:02 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A32A2C061570; Fri, 29 Oct 2021 14:21:33 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id o14so18565816wra.12; Fri, 29 Oct 2021 14:21:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=NiK7SwHxTnmnFF3x7Tss+IEdA+ZkPxnv1m3o6b+JWVw=; b=G4WPO5OAOn+LYA/zYW/Prt6LaSXj44Y1dvqC91n0ee17yPDw3HiuPGymqqClNnuC2E 9tyESFakTuKtQl+fn2Tzs6OVL2YfZFVgM4jSKUQoMNzGeRzgkK8tiLs0HXEja0OPewpu hvkyAoQbbJuUG9JBFIZWPIqfGAiGwPXjBJ4yTb1PYs7vyRY8cXCOapBkAAvReQhvukNd W7UNXl+FzoD9PYwI8GFd8EloZwCIqSiXGDbUGmhkb4QBvRW/+pOeIS2ndmc0KrNAlIeq 9ZMaM+lViRibw+Cs82WC7vA0mnLxIT69Ufpiq4NwlXbVD5AFzpp6tPsmZqL5LNdwOPBM ryqw== 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=NiK7SwHxTnmnFF3x7Tss+IEdA+ZkPxnv1m3o6b+JWVw=; b=5hkK+PGqRXi1mptFUuiRrOZ8Uq3E/RRjLwV+Sg9OqEgGCiND6QV+YQuidkMvNCFk3n KbuaPc0RaClHYkEGCKbFNMXjPDAdNt6KwCB7//CW/W2kezylLbGJw/ANzuYXhr48gfv6 LsErdVFPEDY10xehRv7dl8aK3ZNVwvTqw2vnUXhw0P1iQFpikk685yoDXrlJcSHhbXmq zHE05nZw2TnRhmtYDVEBhNHdX/b267J5L+Was/ckekPOUnat4ziwUd3e7wn7kAiySq86 rBgskLJFovwBZMJWC4ejx6H7goexCurYmri+ZjFziIps2HlDgyZuZI+gPF1jzbve0yCA yWKg== X-Gm-Message-State: AOAM5338OxNfuKzbSjvLn9psqelWRg4eCnHBUF2Lnduu9DqWKEPJo2SO hj0fpm1AVr3sCU7go+R+kW8= X-Google-Smtp-Source: ABdhPJxpTjYCFrGJA9JYhtIdnjNeuD/GIrhMKYTAepyvahRY8ck6qp6Ni3P88yg44LPKNNtiTeC3Tg== X-Received: by 2002:a1c:e911:: with SMTP id q17mr21870719wmc.174.1635542492272; Fri, 29 Oct 2021 14:21:32 -0700 (PDT) Received: from [192.168.8.198] ([148.252.129.16]) by smtp.gmail.com with ESMTPSA id o1sm6734502wru.91.2021.10.29.14.21.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 29 Oct 2021 14:21:31 -0700 (PDT) Message-ID: Date: Fri, 29 Oct 2021 22:20:14 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [syzbot] KASAN: use-after-free Write in __io_free_req Content-Language: en-US To: syzbot , axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000abd1dc05cf8447ee@google.com> From: Pavel Begunkov In-Reply-To: <000000000000abd1dc05cf8447ee@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 10/29/21 22:12, syzbot wrote: > Hello, > > syzbot tried to test the proposed patch but the build/boot failed: > > failed to checkout kernel repo git://git.kernel.dk/linux-block on commit 3ecd20a9c77c632a5afe4e134781e1629936adab: failed to run ["git" "checkout" "3ecd20a9c77c632a5afe4e134781e1629936adab"]: exit status 128 > fatal: reference is not a tree: 3ecd20a9c77c632a5afe4e134781e1629936adab #syz test: https://github.com/isilence/linux.git syz-test-iofree > > Tested on: > > commit: [unknown > git tree: git://git.kernel.dk/linux-block 3ecd20a9c77c632a5afe4e134781e1629936adab > dashboard link: https://syzkaller.appspot.com/bug?extid=78b76ebc91042904f34e > compiler: > -- Pavel Begunkov