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 216232309B0; Mon, 10 Mar 2025 17:44:14 +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=1741628654; cv=none; b=fzcIBkpcQMqUhZLTXI7Lnf3dRiM8Ix/Lr1YTlEUtOIPFPFAGEmva3GcOjjpAKJo9ddjNku6mMxNCc2Puykl8fnx6sIYw6ZOl6YG7S9k50Cf3bwBMkwl6cJAWkpDHv80KGVfUSnOAWFjm+Hi68H+r3Tp3WASnp+Dw52K8TbtRjh8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741628654; c=relaxed/simple; bh=oh5A1Qcd0O2ZBX6+/a0ROfGFG9k1HH345xdOuT7Yl2Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IHa+hID4dE3cVXNpQLE9yzDnNXM4cGHAg6v9oDna5mIT0SobHFkv0CFhxwiodCeC4W8cbhRf+gAPH/utLyLk8PRT9hPrgRn56BTnwfiEa3/7Py3fZ/tIjREgR8dXPO4dISTKBZBo/JbJJ5knEox3DUUdQUk8tVl9G7NM9rx40G8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tVcyJihb; 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="tVcyJihb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A440C4CEE5; Mon, 10 Mar 2025 17:44:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741628654; bh=oh5A1Qcd0O2ZBX6+/a0ROfGFG9k1HH345xdOuT7Yl2Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tVcyJihbqtDBx1CLe0gmDHQbpVn6AgMZo4W65ZE+mESx27EwDvAC2ugGRHtBZLx58 /WKfMrwYrY5v+6y30ZduiFuWL+sn4p1YDeN0ccOq/A6FJlil9Z6RfuGYtfc7jEQYU/ zl7oc3WlgGddfkwUMTRU3d4HLl91MQ5OEOHCwdhA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Charles Han , Corey Minyard , Sasha Levin Subject: [PATCH 5.15 023/620] ipmi: ipmb: Add check devm_kasprintf() returned value Date: Mon, 10 Mar 2025 17:57:49 +0100 Message-ID: <20250310170546.489924287@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170545.553361750@linuxfoundation.org> References: <20250310170545.553361750@linuxfoundation.org> User-Agent: quilt/0.68 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: Charles Han [ Upstream commit 2378bd0b264ad3a1f76bd957caf33ee0c7945351 ] devm_kasprintf() can return a NULL pointer on failure but this returned value is not checked. Fixes: 51bd6f291583 ("Add support for IPMB driver") Signed-off-by: Charles Han Message-ID: <20240926094419.25900-1-hanchunchao@inspur.com> Signed-off-by: Corey Minyard Signed-off-by: Sasha Levin --- drivers/char/ipmi/ipmb_dev_int.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c index 49b8f22fdcf03..964bde656f0d3 100644 --- a/drivers/char/ipmi/ipmb_dev_int.c +++ b/drivers/char/ipmi/ipmb_dev_int.c @@ -322,6 +322,9 @@ static int ipmb_probe(struct i2c_client *client, ipmb_dev->miscdev.name = devm_kasprintf(&client->dev, GFP_KERNEL, "%s%d", "ipmb-", client->adapter->nr); + if (!ipmb_dev->miscdev.name) + return -ENOMEM; + ipmb_dev->miscdev.fops = &ipmb_fops; ipmb_dev->miscdev.parent = &client->dev; ret = misc_register(&ipmb_dev->miscdev); -- 2.39.5