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 96FBFC433EF for ; Fri, 10 Dec 2021 01:19:37 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:CC:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7Pzf5uBLcez01cLu4ppiHH5ixptyDEbDLzVWQV4qpA4=; b=zfKnp3Um6TZ0R0 4LuOhuF1ty33MhPlrbDWIp1kwHAQ9Ln6g1thAdWvYK39HA6DXR42BATr/chulTMexzbIM8zckU+TD KMd7Xw8MsAdYkv47Ham6uVbQPl4G8UhkDAb5y2riSYZzXOkkxF/8pUo5v43mCq2O1edr1F5czzspv Ced84GAfSW/jQGdL1fn2SDAG64Qb36E6zesf1Z8np+9jhjX+g4hFzbPwSno49czNyf4OTrl9iIONA s/GV/H8OvcP54T7EKvwCUasHQLtLYEUHTzs/Vq5Jl8hUpAH6/fY3pflU1OlchYXefciQESosyvX+7 3XiElpsKEsayS9fO/mxg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvUZJ-000WBp-RU; Fri, 10 Dec 2021 01:19:25 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvUZ7-000W9x-4x; Fri, 10 Dec 2021 01:19:14 +0000 X-UUID: d05465a9fb8d4dbda7f044c3872d21c9-20211209 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=mhsm8jCjmfVJ/4gC6JOmYGvhXbLLDDj8f2KrlI9H3IU=; b=lImAdM4xESUIaVHW1FZtOcW+g1qxAX1dPiqLHbyMOtOCBIMkwTVnH6MlyVXe5KDHESFcRg+RfYqpU0XG3kijSXBUaBMTXEQ42Z8j0gbn/W7/C/2EMScjLkWpVuuuQ/yvwRpzuatgQrdOyrHnmlR2kZuqv7UxG+8Y06NbcqwamyY=; X-UUID: d05465a9fb8d4dbda7f044c3872d21c9-20211209 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1431485796; Thu, 09 Dec 2021 18:19:08 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 9 Dec 2021 17:19:06 -0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Fri, 10 Dec 2021 09:19:05 +0800 Received: from mhfsdcap04 (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 10 Dec 2021 09:19:04 +0800 Message-ID: <2cdc5d2997b4d37f891bf60f476135b1cdfaa810.camel@mediatek.com> Subject: Re: [PATCH 3/3] usb: mtu3: fix list_head check warning From: Chunfeng Yun To: Sergey Shtylyov , Greg Kroah-Hartman CC: Matthias Brugger , , , , , Eddie Hung , "Yuwen Ng" Date: Fri, 10 Dec 2021 09:19:05 +0800 In-Reply-To: References: <20211209031424.17842-1-chunfeng.yun@mediatek.com> <20211209031424.17842-3-chunfeng.yun@mediatek.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211209_171913_221764_2C1AC3CA X-CRM114-Status: UNSURE ( 8.46 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Thu, 2021-12-09 at 12:10 +0300, Sergey Shtylyov wrote: > 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". :-) Will fix it, thanks > > > 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