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 8DC77C76195 for ; Mon, 27 Mar 2023 18:23:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229646AbjC0SXr (ORCPT ); Mon, 27 Mar 2023 14:23:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35428 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232511AbjC0SXi (ORCPT ); Mon, 27 Mar 2023 14:23:38 -0400 Received: from mail-il1-x12a.google.com (mail-il1-x12a.google.com [IPv6:2607:f8b0:4864:20::12a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6FA8D3AA8 for ; Mon, 27 Mar 2023 11:23:26 -0700 (PDT) Received: by mail-il1-x12a.google.com with SMTP id r4so5064214ilt.8 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=FUwL6fULLz74mnvYJCxAiEtd5DvELlpwQjWfZ7FSWu+uYzdp1qUwwto4qWDGVqUled 9f1FGeKiRI+Y/f8pL7oqr+AdFKLCvByRjKY0OfDuKF0klWjzTjB2EsjKUa5VoQfZiWaK dai8Eefrp3gwvLJH54cNYHdnZaqFILDgZQpZbQwh3p5ENLZkJtfqkM7Ot4lnCeC5LI1L fWUPumVMSBfxb6SfcyyJULCKgoRkwyLvCE3cPuKlGMvc3rqgvkxXxqmYTRZ75BVSrnTd 5dNhqpirKFxc8EmW5I5uaZEdrcV/D4EVMtQmlAbo+le/wpxiqYUs4OTHL1dZFngN/zb1 ICUw== X-Gm-Message-State: AAQBX9fvFD9kSxVC1ri3cH2CJWZszW9K97GaRsRiv2iE+UBP7TZ2brDt AtB7CWwXZpCK6UkCIe/W+zm2yjWbeRw3yMFpznzIwg== X-Google-Smtp-Source: AKy350b1lzWJq9ib6960aSgopcoJ8OXSaEADi/LjD2n1aJl9x/idILhG0k7Pi+R8KOk+4LCjgsvb8w== 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 Precedence: bulk List-ID: X-Mailing-List: io-uring@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