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 3A1A6152E1C; Mon, 28 Oct 2024 06:29:03 +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=1730096943; cv=none; b=YBJhFrIrxJJMNP/T7iNsBNFKgMjj4gyuw4EKPK28g0Mi9o4fNDKb69NCPJlqAN5z8R/jB4ueefWO8UIZOEAhiNe4+OkRfHs8YlYFYDljoqB0/TsfTS8VZrkH1RXE7p0VI8ZDnC9cdi1OYHiT6fvrrx8b/G6AQEf81e2TqU7OYNE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730096943; c=relaxed/simple; bh=PVIPg16dHLN4vu4mMY2wc1WGEg1xEHSwcidGEL2NpQw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UHsVOXT0Wb6rxhspZsUrPoUsPIWasLPtHJLIGAwWowrA75uNUtycf4mTiE8c4zWIqP5vR4AuwZkeRNLowUODdEx+f06IqCkQSFRFY7Grw02qshZWIxX73ILRQ3WobGSS5pRMa7OeOjRWyFs3gJErA38ipNz8/blILGgd1xwQfGs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jVf5+5Qk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="jVf5+5Qk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE74EC4CEC3; Mon, 28 Oct 2024 06:29:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730096943; bh=PVIPg16dHLN4vu4mMY2wc1WGEg1xEHSwcidGEL2NpQw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jVf5+5QkCw5sle2xUtm/bc4u4X5XcvZamQKcubpFj6tmKAM4FsAvln136d8VG+V+G IBD2HFr9bcwFVfnyq+1kNEXubGYUD7MS54/ksO7r6ZsPAXA9N7SR3C0o2vnU+YPYuk u0h6TMyLjyma+gGpkKdpaXGAaVxxj+X4J3+QI4NQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wang Hai , Simon Horman , Andrew Lunn , Sasha Levin Subject: [PATCH 5.15 54/80] net/sun3_82586: fix potential memory leak in sun3_82586_send_packet() Date: Mon, 28 Oct 2024 07:25:34 +0100 Message-ID: <20241028062254.117882374@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241028062252.611837461@linuxfoundation.org> References: <20241028062252.611837461@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wang Hai [ Upstream commit 2cb3f56e827abb22c4168ad0c1bbbf401bb2f3b8 ] The sun3_82586_send_packet() returns NETDEV_TX_OK without freeing skb in case of skb->len being too long, add dev_kfree_skb() to fix it. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Wang Hai Reviewed-by: Simon Horman Message-ID: <20241015144148.7918-1-wanghai38@huawei.com> Signed-off-by: Andrew Lunn Signed-off-by: Sasha Levin --- drivers/net/ethernet/i825xx/sun3_82586.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/i825xx/sun3_82586.c b/drivers/net/ethernet/i825xx/sun3_82586.c index 6c89aa7eaa222..95a6bbfa013e1 100644 --- a/drivers/net/ethernet/i825xx/sun3_82586.c +++ b/drivers/net/ethernet/i825xx/sun3_82586.c @@ -1012,6 +1012,7 @@ sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev) if(skb->len > XMIT_BUFF_SIZE) { printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len); + dev_kfree_skb(skb); return NETDEV_TX_OK; } -- 2.43.0