From patchwork Fri Jul 30 16:53:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Evgeny Novikov X-Patchwork-Id: 12411691 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76BADC432BE for ; Fri, 30 Jul 2021 16:55:23 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 47E8660F48 for ; Fri, 30 Jul 2021 16:55:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 47E8660F48 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ispras.ru Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=DwAVf+NsT/+hfLtW/wfrX0I2o0DL13rjEYk902AdHWg=; b=BjTZrePt+xxz93 PIynfOQ2ISYPTV57axIsR/Bx1Bucfpc4vucO0Gtx1HwHhQLx/Up9r21M/J//Sppo3yX3BgNyguthz X+HPeo1SkMqiPJxnRERGQBncFrAo12cVpg+VnrE7gYlfDQwpXOjPTrEDoXavn4W1ZkCFQDnQooH6Y sqNBMgugkGu+F15e9pgL1v0DVOg/x1TEb1KurhqjbVySDtXIMwfBv+clPE8HasyaiT25n4h8XbJqa C7tEQD8+Xl9NcPL3jyyDZOkaZghuBJ3owZRjewIy1CdQQOmX9f6noC0ZpLFMxORtSSqelY0lCeOV7 once/70bOJ3c8JrQuy2Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9VlU-009Zey-QE; Fri, 30 Jul 2021 16:53:40 +0000 Received: from mail.ispras.ru ([83.149.199.84]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9VlQ-009ZdT-9B for linux-arm-kernel@lists.infradead.org; Fri, 30 Jul 2021 16:53:37 +0000 Received: from hellwig.intra.ispras.ru (unknown [83.149.199.249]) by mail.ispras.ru (Postfix) with ESMTPS id 9A6A040755E7; Fri, 30 Jul 2021 16:53:34 +0000 (UTC) From: Evgeny Novikov To: Jiri Kosina Cc: Evgeny Novikov , Benjamin Tissoires , Maxime Coquelin , Alexandre Torgue , linux-input@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ldv-project@linuxtesting.org Subject: [PATCH 3/3] HID: thrustmaster: Fix memory leak in thrustmaster_interrupts() Date: Fri, 30 Jul 2021 19:53:33 +0300 Message-Id: <20210730165333.25395-1-novikov@ispras.ru> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210730_095336_573403_A0B04A60 X-CRM114-Status: UNSURE ( 8.10 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org thrustmaster_interrupts() does not free memory for send_buf when usb_interrupt_msg() fails. This is fixed by the given patch. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Evgeny Novikov --- drivers/hid/hid-thrustmaster.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/hid-thrustmaster.c b/drivers/hid/hid-thrustmaster.c index 9cb4248f95af..d44550aa8805 100644 --- a/drivers/hid/hid-thrustmaster.c +++ b/drivers/hid/hid-thrustmaster.c @@ -173,6 +173,7 @@ static void thrustmaster_interrupts(struct hid_device *hdev) if (ret) { hid_err(hdev, "setup data couldn't be sent\n"); + kfree(send_buf); return; } }