From patchwork Mon Nov 4 12:31:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthieu Baerts (NGI0)" X-Patchwork-Id: 13861315 X-Patchwork-Delegate: matthieu.baerts@tessares.net Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CCDA0469D; Mon, 4 Nov 2024 12:32:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730723525; cv=none; b=hLXbkRamVf/5JzgCkx78Wy60aAD4LUOiJvcnqvXYq9a5+440YmBGoiUnLkVrWroElFIgUsBPrAJXCfUoqBI/wHegXgNuxMF13bEpwSwdK5IxaQwO5Poetvqb/UaroAu4n1q4uEmnY1RU2ismIK5wfhHFCC3HyDE6XMWS7SzwXe4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730723525; c=relaxed/simple; bh=ktXADb2L4YbquYcw8h41zKoCmTKGDsB6Exef3tr4tLk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=D7pYAb65AetgdxlSddPLZft9Y1X9TGqa3RrU/U5dOlJkE5cBYXpPotvHyjg+HidLG8OL7p0SjjHS0LFDpx0//X6SHrFgDr/m5ItimuSllTr3lZ+EGzMJD0+FXYG1JpzR5uUWhF61tIPv8J423ZSddhQdpQSMXB69I8nzvtjatig= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ae89BToA; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ae89BToA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5BAF2C4CECE; Mon, 4 Nov 2024 12:32:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730723525; bh=ktXADb2L4YbquYcw8h41zKoCmTKGDsB6Exef3tr4tLk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ae89BToAhjCxhZwnie7U8CKIXAb+aphkCPoUny/eCKQLJTEpHipnqG8cPRKZY4LO5 eCTSEO8ZddpISTZVXffrMaRTT4GteIITHMdUWEEj198//nYAdeMrCc0QT3FAlaD/Ke hrHiB2E4OklUnzcE3bhvUeXbgBFrZUWVkFoOLQ1o3IYAXalkiyy+6qgTIYYIFyNbhV M1BSUH1UdpSMHF2Yo2PHL2nuewkdvntl9GufcDu0TxHRa0Sszs7FtO1oyGMaaZfu/R BSAvyOl70Jxfvo6jCbP5c9p6tvCRD/MS0cp7PsiBeVFWlq41gkBlPppX0B5eBDiS+B kYs70ycntZ9vg== From: "Matthieu Baerts (NGI0)" Date: Mon, 04 Nov 2024 13:31:42 +0100 Subject: [PATCH net 2/2] mptcp: use sock_kfree_s instead of kfree Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241104-net-mptcp-misc-6-12-v1-2-c13f2ff1656f@kernel.org> References: <20241104-net-mptcp-misc-6-12-v1-0-c13f2ff1656f@kernel.org> In-Reply-To: <20241104-net-mptcp-misc-6-12-v1-0-c13f2ff1656f@kernel.org> To: mptcp@lists.linux.dev, Mat Martineau , Geliang Tang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Donald Hunter , Davide Caratti Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, "Matthieu Baerts (NGI0)" , stable@vger.kernel.org, Geliang Tang X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1518; i=matttbe@kernel.org; h=from:subject:message-id; bh=MQFc3/F65zsONOCIocs6pTTtcJR1zCiohpdkaVkUFOk=; b=owEBbQKS/ZANAwAIAfa3gk9CaaBzAcsmYgBnKL67mTM0SMEyipPfUKA+39u6cKCmZBPUVW7vG sce1DgQCh6JAjMEAAEIAB0WIQToy4X3aHcFem4n93r2t4JPQmmgcwUCZyi+uwAKCRD2t4JPQmmg c/dqEAC4H7P2/Z0jPo8xAQdMO1zwOF5GPe0kivOLAWHKj5OsFpu8oVnN00MqomMa8wIdooJYN9i 7umbdsJj/GUOOyEYCDACG8RCCFcnJyV121msrD/3RsBXJlduOLYHiE3c4VMXdmsqRksh+Vei8AC xo+BKBCOtCb1+APUSULhOlK+8c8Gck+6Jz8IjixW9WqU7JGbNx/dMoquBweuRu2ZTiSVQmS202U Fht0RJgK9CTfiyyf4zYjkJAfw25fAM+B4HrUWOI7Y2rSIUrk4b9c2INeFEDW9itvkB/uYGPEVbd wCQD9hBoGCAaAqP98xP7aQaTp0I9Hxo1hPbPCfHGFZOudZK8MtrD3kPcyd4xKhOLCdoxPHLCJ1F xChp1Tse4lF68FnMgD9Ej0MikX15J/L+erkuSXWAWZ2YFYtidjJr+zOR0yMacq3IuVmr6aqzOlv gMiUw56WJLotZGOtIDdalWKKZH6M/xva3S3VaTgQlUw/o0ev4DQvr12/FvAzSyPlGCruzbDF7Mm nkmlmtq5bBhpqDm17asY7SHehVi7eRb7/OuUCpSK5ENEQ3fNOHr1W/csIy1q3kx/d53noneq9xc m7OcWMkgu3dWTscLxSDUObWXbL1jHhpDp9K1K/hYZc0kVOWZzUDA5XySakHCvxUK0UKe4RsrhRz lBUaVUlIpFYeUJQ== X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 From: Geliang Tang The local address entries on userspace_pm_local_addr_list are allocated by sock_kmalloc(). It's then required to use sock_kfree_s() instead of kfree() to free these entries in order to adjust the allocated size on the sk side. Fixes: 24430f8bf516 ("mptcp: add address into userspace pm list") Cc: stable@vger.kernel.org Signed-off-by: Geliang Tang Reviewed-by: Matthieu Baerts (NGI0) Signed-off-by: Matthieu Baerts (NGI0) --- net/mptcp/pm_userspace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index 2cceded3a83a211ffa83f5511fa16f153b49e6bf..56dfea9862b7b24dd0eaa8bbedcf22a7f6829ccf 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -91,6 +91,7 @@ static int mptcp_userspace_pm_delete_local_addr(struct mptcp_sock *msk, struct mptcp_pm_addr_entry *addr) { struct mptcp_pm_addr_entry *entry, *tmp; + struct sock *sk = (struct sock *)msk; list_for_each_entry_safe(entry, tmp, &msk->pm.userspace_pm_local_addr_list, list) { if (mptcp_addresses_equal(&entry->addr, &addr->addr, false)) { @@ -98,7 +99,7 @@ static int mptcp_userspace_pm_delete_local_addr(struct mptcp_sock *msk, * be used multiple times (e.g. fullmesh mode). */ list_del_rcu(&entry->list); - kfree(entry); + sock_kfree_s(sk, entry, sizeof(*entry)); msk->pm.local_addr_used--; return 0; }