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[2620:137:e000::1:20]) by mx.google.com with ESMTP id bt15-20020a0564020a4f00b004623028c586si7365558edb.141.2022.11.14.06.20.39; Mon, 14 Nov 2022 06:21:09 -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; dkim=pass header.i=@siddh.me header.s=zmail header.b=JVKzN4+M; arc=pass (i=1 spf=pass spfdomain=siddh.me dkim=pass dkdomain=siddh.me dmarc=pass fromdomain=siddh.me>); 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=pass (p=REJECT sp=REJECT dis=NONE) header.from=siddh.me Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236247AbiKNL4E (ORCPT + 88 others); Mon, 14 Nov 2022 06:56:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59184 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235782AbiKNLzj (ORCPT ); Mon, 14 Nov 2022 06:55:39 -0500 Received: from sender-of-o50.zoho.in (sender-of-o50.zoho.in [103.117.158.50]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A6FD27FE8; Mon, 14 Nov 2022 03:50:55 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668426643; cv=none; d=zohomail.in; s=zohoarc; b=OtESVbGmChxztNzXnFBfiybknuMz3B6hj/pNNJc1egfO7hH52iSl0+p/yRrWFlSXaSx3qFJwfSenaZUX/YhV+C+Zz3DUuEzMxAISIjkzaPevxItZXwFA89vrxEZ+0jJ1tkptvtMMy3FjKtaP7onPVUQq4fF38QNw7ZPg6oA+0pk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.in; s=zohoarc; t=1668426643; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=m9TQM9OSyiWK+Pi32AurcCv7tg4Yb7N2ZmwTgbOjqak=; b=YBxvrbyXfWNK4KwtRutnQGsYRdXmH+pAPTS+nsGWq8Jp8jzLCKG3ezBXiwnIG+D0Gu9V+kL6CDRyYvkQmR8J4stkHW3er9+knnrcn0LNl3wb3ywOge85o+LVza6ui8rO4E2/Qr2tqLyDMX2x/ngLwsihLVe+bsvTgvUqfTf5bVo= ARC-Authentication-Results: i=1; mx.zohomail.in; dkim=pass header.i=siddh.me; spf=pass smtp.mailfrom=code@siddh.me; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1668426643; s=zmail; d=siddh.me; i=code@siddh.me; h=Message-ID:Date:Date:MIME-Version:To:To:Cc:Cc:References:Subject:Subject:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=m9TQM9OSyiWK+Pi32AurcCv7tg4Yb7N2ZmwTgbOjqak=; b=JVKzN4+MBnO88cEmURblVxcYCJ5DhYmma0KFZbqytAGCUB0yUhrxrMhXVQJPR81S Cdc81k6wSUMoSQbLMfULt6vaOR8KFhgM/YBLuWr/FL0ozNpeX1w88MPAcWIORDkvcMw gxA34UXyLhKL1laGn4dkuFRNqMx4M4CQF07gpUJ4= Received: from [192.168.1.9] (110.226.30.173 [110.226.30.173]) by mx.zoho.in with SMTPS id 166842664273543.03099842188135; Mon, 14 Nov 2022 17:20:42 +0530 (IST) Message-ID: <2aa67892-ac99-c46e-b2b6-2f8a5944a919@siddh.me> Date: Mon, 14 Nov 2022 17:20:40 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.1 To: syzbot+a8e049cd3abd342936b6@syzkaller.appspotmail.com Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, syzkaller@googlegroups.com References: <000000000000f2075605d04f9964@google.com> Subject: Re: [syzbot] WARNING in iomap_iter Content-Language: en-US, en-GB, hi-IN From: Siddh Raman Pant In-Reply-To: <000000000000f2075605d04f9964@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ZohoMailClient: External X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 Syzkaller posted a new reproducer unrelated to the issue causing the older crash under this same issue, since the same function triggers the newer warning. This time it is related to erofs setting length equal to zero in z_erofs_iomap_begin_report(). Thanks, Siddh