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[2620:137:e000::1:20]) by mx.google.com with ESMTP id d23-20020a17090ad99700b0022915b6dd7asi851629pjv.145.2023.01.12.10.54.00; Thu, 12 Jan 2023 10:54:06 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240413AbjALSPQ convert rfc822-to-8bit (ORCPT + 50 others); Thu, 12 Jan 2023 13:15:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240581AbjALSN7 (ORCPT ); Thu, 12 Jan 2023 13:13:59 -0500 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 24E925597 for ; Thu, 12 Jan 2023 09:43:35 -0800 (PST) Received: by mail-io1-f71.google.com with SMTP id k1-20020a6b3c01000000b006f744aee560so11569727iob.2 for ; Thu, 12 Jan 2023 09:43:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:cc:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=D6euKgqaz5CvSSFLuJHiJJPEhh3V6W0U8Nog8Z76wv4=; b=XekGbmfTvBtRrq9jqrsVs8AwlZnd01ie3wYZrNhPuOZDoA5uyaxDUExELsNem7rDBX aKdO2kO6kJBr51AQXgmti23Hm15wa6+XdEZ2Si46tKG5R0/fZiW/gd5FWbW1psm4ErqL q3VX0JelvDUBgwBkZzwvPb0UVIll8i/IFYjnuLfksN7crE7nLFu/bXEnPXnLsGL6fC1o OM9+EpvBBhnJp+/amhQrW9PxGu2P1Rkg+alJjkmn6zKH6ExZ6ox7AApEYm+r3SFEM2Hp fA8qypz1UtalS5ydiS+SOnaGg79rSAmX1v/sRrVgx+R/UUfrPYLCJzkJwY/DMlizCZPV gf1g== X-Gm-Message-State: AFqh2kovD6x94XSjZUg0yM+icS5putMvTTSLxfSptz2as5l3wikAC8wf gzXnsm/wxQbcjEc1rpxCRIrRFW3ozYATm5EIhwjDuSh2oqSD MIME-Version: 1.0 X-Received: by 2002:a02:bb08:0:b0:39e:829f:b60b with SMTP id y8-20020a02bb08000000b0039e829fb60bmr2523546jan.83.1673545414457; Thu, 12 Jan 2023 09:43:34 -0800 (PST) Date: Thu, 12 Jan 2023 09:43:34 -0800 In-Reply-To: <3c64a290-5134-2030-a2da-9ec2b1efc0c5@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f1c14e05f214a763@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in io_req_caches_free From: syzbot To: axboe@kernel.dk Cc: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On 1/12/23 3:26 AM, syzbot wrote: >> Hello, >> >> syzbot found the following issue on: >> >> HEAD commit: 0a093b2893c7 Add linux-next specific files for 20230112 >> git tree: linux-next >> console output: https://syzkaller.appspot.com/x/log.txt?x=1605ee86480000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=835f3591019836d5 >> dashboard link: https://syzkaller.appspot.com/bug?extid=131f71f381afff1eaa35 >> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 >> >> Unfortunately, I don't have any reproducer for this issue yet. > > #syz test: git://git.kernel.dk/linux.git for-next This crash does not have a reproducer. I cannot test it. > > -- > Jens Axboe > >