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[2620:137:e000::1:20]) by mx.google.com with ESMTP id i25-20020aa7c719000000b005003eff3f7asi28461625edq.302.2023.03.27.11.32.20; Mon, 27 Mar 2023 11:32:46 -0700 (PDT) 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; dkim=pass header.i=@kernel-dk.20210112.gappssmtp.com header.s=20210112 header.b=uz15NpIr; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232356AbjC0SXs (ORCPT + 99 others); Mon, 27 Mar 2023 14:23:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232521AbjC0SXi (ORCPT ); Mon, 27 Mar 2023 14:23:38 -0400 Received: from mail-il1-x131.google.com (mail-il1-x131.google.com [IPv6:2607:f8b0:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C17B3585 for ; Mon, 27 Mar 2023 11:23:26 -0700 (PDT) Received: by mail-il1-x131.google.com with SMTP id h7so5064115ila.5 for ; Mon, 27 Mar 2023 11:23:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; t=1679941406; x=1682533406; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=pOqrb4VJ1GMDdhFN7lvr8ImUEPXb5Iv0Fq7oS/oc+Is=; b=uz15NpIrAgB/Wy4g6wTbakkr42xsmNGay8uajT52e20mmAGAhKaA8EjqzLlBo3tB0r 02fpGHo2+AXM+HsSSj9bueoO0sG6vThnqt54UCPwqqBLy/wuwg7UR2yzHwx06qbSCOSn SxJyrvSniGMEymS0uVRlFkUKiom9XytzsK29j/cQd1vh7DN/NDWlvjdknrcPRT+jZWlE LwQXG2q2gVijs4/nCHVDy/iZRKvccVdi7/6gWKBKnunxV3fem3HnQ/w+e4gMMQXoleo2 6BuHZqTXXO4hw/M4T6FA2L7qfNwqow9LVgdC3XE+O8yM9RSLU0BbfmuUjB5IJmSWrslc MaBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679941406; x=1682533406; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pOqrb4VJ1GMDdhFN7lvr8ImUEPXb5Iv0Fq7oS/oc+Is=; b=p/5TRCedWeR0TWgxLOQygZp67M5A/vJL+/55+YoVofuefqmIxKE6MtKr8MDbD+0pSz mMZ91tw0xERmW3GkiJX4tOE8MLUrXLYAjpT6N4mIwxwPHhta+SaOvWAvOypzZCqXCLDA 3LSn0f+KFGwaM+N5wrUMVIR/hv8IpqoqEH02BmRiFYDY44f5HdWFsiTS0qYmwqVKSwOq 2u30J5g7iBFZcETgF47DrHFFhJ2Vl4ZV+1oIZ6o/2TPHDqoGGEt2Q9elOHGTbeuHr7F5 nJbVq1HnoGsestWdQUnNTxv6CIwLU+0Wh/ketS0WQ/ywW6IvdWlj0VTijtfeQBNZ63pS hynQ== X-Gm-Message-State: AAQBX9dJKT85aLiQk5cgj9fCDNfrOjG8X4x931mHv7DCb7PobkXj5gqO +68OW9dQXsjhj9Vqs7ZSO9E3zA== X-Received: by 2002:a05:6e02:2207:b0:313:fb1b:2f86 with SMTP id j7-20020a056e02220700b00313fb1b2f86mr8862932ilf.0.1679941406039; Mon, 27 Mar 2023 11:23:26 -0700 (PDT) Received: from [192.168.1.94] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id co17-20020a0566383e1100b0040894c572basm4792225jab.125.2023.03.27.11.23.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Mar 2023 11:23:25 -0700 (PDT) Message-ID: <2309ca53-a126-881f-1ffa-4f5415a32173@kernel.dk> Date: Mon, 27 Mar 2023 12:23:24 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [syzbot] Monthly io-uring report Content-Language: en-US To: syzbot , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000bb028805f7dfab35@google.com> From: Jens Axboe In-Reply-To: <000000000000bb028805f7dfab35@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 3/27/23 5:01?AM, syzbot wrote: > 1873 Yes WARNING in split_huge_page_to_list (2) > https://syzkaller.appspot.com/bug?extid=07a218429c8d19b1fb25 > 38 Yes KASAN: use-after-free Read in nfc_llcp_find_local > https://syzkaller.appspot.com/bug?extid=e7ac69e6a5d806180b40 These two are not io_uring. Particularly for the latter, I think syzbot has a tendency to guess it's io_uring if any kind of task_work is involved. That means anything off fput ends up in that bucket. Can we get that improved please? -- Jens Axboe