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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 36773C433F5 for ; Thu, 9 Dec 2021 09:12:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:CC:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/2slCLu87SWwQLi7+2+vzDT1fB5SgAwtAXh8FzRGciw=; b=tJGvtUYEdJ4FzE lQ+I1+c64Dha8JAWLZ0jXhet+JGHSUskZacWUDeEzREm8ikjpJP4fayVwv+t3OxhIm0ReJ9jTEois OvplXBaS/v9sR0Y+5hrRSE+f9RGM8oz6nuGT5BPBB5iLVbIkR+tMzDipOjBRCPTVvIYUNjKW6LtWx +vT7ntKBcyBKsjLz8Eu09MHbBjNC79L2gO91QMjyZZPdZB8VMaaD88RPsvhZUyXOPUx4NEAP+49eS 6UUcBrLz2RQI6zVrrg2ZoAxmHuqSJxl27n+Iqra778Ouh1n4aDIf8HHFFra/C5lNk+fisGXE2ONB9 HxVvr4knCf/mC59KefPg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvFTf-00FLyq-JV; Thu, 09 Dec 2021 09:12:35 +0000 Received: from mxout02.lancloud.ru ([45.84.86.82]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvFRW-00FLBk-42; Thu, 09 Dec 2021 09:10:24 +0000 Received: from LanCloud DKIM-Filter: OpenDKIM Filter v2.11.0 mxout02.lancloud.ru 846912243071 Received: from LanCloud Received: from LanCloud Received: from LanCloud Message-ID: Date: Thu, 9 Dec 2021 12:10:01 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: [PATCH 3/3] usb: mtu3: fix list_head check warning Content-Language: en-US To: Chunfeng Yun , Greg Kroah-Hartman CC: Matthias Brugger , , , , , Eddie Hung , "Yuwen Ng" References: <20211209031424.17842-1-chunfeng.yun@mediatek.com> <20211209031424.17842-3-chunfeng.yun@mediatek.com> From: Sergey Shtylyov Organization: Open Mobile Platform In-Reply-To: <20211209031424.17842-3-chunfeng.yun@mediatek.com> X-Originating-IP: [192.168.11.198] X-ClientProxiedBy: LFEXT02.lancloud.ru (fd00:f066::142) To LFEX1907.lancloud.ru (fd00:f066::207) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211209_011022_838648_5160F956 X-CRM114-Status: UNSURE ( 2.48 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hello! On 09.12.2021 6:14, Chunfeng Yun wrote: > This is caused by uninitialization of list_head. No such word, suggesting to replace with "not initializing". :-) > BUG: KASAN: use-after-free in __list_del_entry_valid+0x34/0xe4 > > Call trace: > dump_backtrace+0x0/0x298 > show_stack+0x24/0x34 > dump_stack+0x130/0x1a8 > print_address_description+0x88/0x56c > __kasan_report+0x1b8/0x2a0 > kasan_report+0x14/0x20 > __asan_load8+0x9c/0xa0 > __list_del_entry_valid+0x34/0xe4 > mtu3_req_complete+0x4c/0x300 [mtu3] > mtu3_gadget_stop+0x168/0x448 [mtu3] > usb_gadget_unregister_driver+0x204/0x3a0 > unregister_gadget_item+0x44/0xa4 > > Reported-by: Yuwen Ng > Signed-off-by: Chunfeng Yun [...] MBR, Sergey _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek