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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id 18-20020a170902ee5200b0015caeda8720si11443066plo.106.2022.05.02.18.10.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 May 2022 18:10:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20210112.gappssmtp.com header.s=20210112 header.b=ipfJ7mfM; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 30DFF5B899; Mon, 2 May 2022 17:52:11 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349376AbiD1PnK (ORCPT + 99 others); Thu, 28 Apr 2022 11:43:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349433AbiD1Pm6 (ORCPT ); Thu, 28 Apr 2022 11:42:58 -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 5F7C8B8205 for ; Thu, 28 Apr 2022 08:39:34 -0700 (PDT) Received: by mail-il1-x12a.google.com with SMTP id d3so2227867ilr.10 for ; Thu, 28 Apr 2022 08:39:34 -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=OTiwe2B8rcUTI1j/SK3IzHaXYBhsCj6uIQbvt9mJoW8=; b=ipfJ7mfMBx1Gh7S27tOSuhiVa4tGtVpllk6Wp5RAxvOy62JewaAVekq9L7hm3Rw4Dz CXzsm9JZz/m5595XdVfjTk1u/u53HX2rbqoGiwpAJ0yH3l+ppPrfg6w+07ZoOCCt8y0B SjumJbNHwlEv2zNZmCR2hHbghukJqeDZtbDGqclEHxfmJ8diXalU9JjDQZ3/PhWz9UIT SNOvc0+zcKpNV5BKUQLpjoi6wjRd5FXZIG1VGxNe+/VQTEDSv36gbBAybf5N3vAW3SN0 7YTIjH4j7hb/++l/0QN9k6hGAGczcQguvm5tkgsUCuk12wxDejfjV/U9kMjcVMuneh6z gIdA== 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=OTiwe2B8rcUTI1j/SK3IzHaXYBhsCj6uIQbvt9mJoW8=; b=kP3kT29lne5vZblt8oVgBhKF1EmU9zKnG8NMjsdYS3WSbKfoYijY9uDmp8y1pUzDPh efeBDjaKT8FJJJTDUN3w9Y5qFzP3pKnCdkSAY6qXIxjitkzsVNRYUaPl4doQZU2CeukC Rs8Y2EMvgNK5RIRIYh/+BDjHNWE+yIh9TuECtIGh41jv31dh3/BdXNoMU0+dIbmr9AcH FXFdKDE4HCDHmgBsiwtWslcMblVsBo3K8W276NJDNGQ2sDphIDzAuM/4CP7eYA1uoZEn MTN+oN71HkIj0hedEa7ePDFKxog+4eRbe2LYmH1IIj7oC2lamu4NCt3x+K56m+yzsFZZ 5K0g== X-Gm-Message-State: AOAM531Vp7d73OZioQONtjFGe3LQs6Fs4Aw/PVcJFAi04siREGUCz3qB 80aM7ehAIs4wS4VxSceUlpirbA== X-Received: by 2002:a92:c54b:0:b0:2cc:3de1:ae5b with SMTP id a11-20020a92c54b000000b002cc3de1ae5bmr13217754ilj.288.1651160373684; Thu, 28 Apr 2022 08:39:33 -0700 (PDT) Received: from [192.168.1.172] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id u1-20020a056e02080100b002cd6b0e772dsm110390ilm.45.2022.04.28.08.39.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 28 Apr 2022 08:39:33 -0700 (PDT) Message-ID: <001823d5-13cb-1b03-9ffa-686081123d08@kernel.dk> Date: Thu, 28 Apr 2022 09:39:31 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [syzbot] KASAN: use-after-free Read in add_wait_queue Content-Language: en-US To: syzbot , asml.silence@gmail.com, gregkh@linuxfoundation.org, io-uring@vger.kernel.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000765a6105ddb8a8b9@google.com> From: Jens Axboe In-Reply-To: <000000000000765a6105ddb8a8b9@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,RDNS_NONE,SORTED_RECIPS,SPF_HELO_NONE, T_SCC_BODY_TEXT_LINE 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 #syz fix: io_uring: fix assuming triggered poll waitqueue is the single poll -- Jens Axboe