From mboxrd@z Thu Jan 1 00:00:00 1970 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 E39B61846; Sat, 13 Jan 2024 09:58:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="kdvlo+zt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66206C43390; Sat, 13 Jan 2024 09:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705139908; bh=YxfgSfmmwTpdvnZEKZz3UqvGST9rRnyJ+2BjrjU5VT0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kdvlo+zt4HC2w483R1cP2UcPXi3OcQ05GB4f/MSFLEY/egRPAZQfqfg4NGDU/lef3 ppCCZQzE85zJLd/xDaEUGQTC88wKoPpR7StMRXKPPVawffyoGHt3OIhQuKHZDCKUDu Md66ZOkl+ddbqBferx/foUVEd+G9WQJZwKaY7yos= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jamal Hadi Salim , Hangyu Hua , Simon Horman , "David S. Miller" , Sasha Levin Subject: [PATCH 5.10 08/43] net: sched: em_text: fix possible memory leak in em_text_destroy() Date: Sat, 13 Jan 2024 10:49:47 +0100 Message-ID: <20240113094207.197149381@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240113094206.930684111@linuxfoundation.org> References: <20240113094206.930684111@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hangyu Hua [ Upstream commit 8fcb0382af6f1ef50936f1be05b8149eb2f88496 ] m->data needs to be freed when em_text_destroy is called. Fixes: d675c989ed2d ("[PKT_SCHED]: Packet classification based on textsearch (ematch)") Acked-by: Jamal Hadi Salim Signed-off-by: Hangyu Hua Reviewed-by: Simon Horman Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/sched/em_text.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sched/em_text.c b/net/sched/em_text.c index 6f3c1fb2fb44c..f176afb70559e 100644 --- a/net/sched/em_text.c +++ b/net/sched/em_text.c @@ -97,8 +97,10 @@ static int em_text_change(struct net *net, void *data, int len, static void em_text_destroy(struct tcf_ematch *m) { - if (EM_TEXT_PRIV(m) && EM_TEXT_PRIV(m)->config) + if (EM_TEXT_PRIV(m) && EM_TEXT_PRIV(m)->config) { textsearch_destroy(EM_TEXT_PRIV(m)->config); + kfree(EM_TEXT_PRIV(m)); + } } static int em_text_dump(struct sk_buff *skb, struct tcf_ematch *m) -- 2.43.0