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 D5455746F for ; Sun, 17 Sep 2023 20:38:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 43DAAC433C7; Sun, 17 Sep 2023 20:38:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694983119; bh=jA4DAkjQfIPuZ5CXZknTC+5hGbPVpEtQ1npU7FRJrRE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qYdhGQ/QGhvv3dn1fkCUxHYRuKSwDvaC+xJv4Q68tsdXG8Yp6JUYAnhwnVMuoRiJ0 SNhG3jZG3rjiVr3fsEaUHYpIm2Zhd39m16QDwQmeJ75I4qdPFruMwfUOkMQBOs3tzC hEYPfLJAd7EqT9jJTYIi399+0cQ6+lsXrGx2Dwgo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Andy Shevchenko , Harald Freudenberger , Heiko Carstens , Sasha Levin Subject: [PATCH 5.15 449/511] s390/zcrypt: dont leak memory if dev_set_name() fails Date: Sun, 17 Sep 2023 21:14:36 +0200 Message-ID: <20230917191124.591704460@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230917191113.831992765@linuxfoundation.org> References: <20230917191113.831992765@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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: Andy Shevchenko [ Upstream commit 6252f47b78031979ad919f971dc8468b893488bd ] When dev_set_name() fails, zcdn_create() doesn't free the newly allocated resources. Do it. Fixes: 00fab2350e6b ("s390/zcrypt: multiple zcrypt device nodes support") Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230831110000.24279-1-andriy.shevchenko@linux.intel.com Signed-off-by: Harald Freudenberger Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- drivers/s390/crypto/zcrypt_api.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 356318746dd16..17b3f1ea3a5c2 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -398,6 +398,7 @@ static int zcdn_create(const char *name) ZCRYPT_NAME "_%d", (int) MINOR(devt)); nodename[sizeof(nodename)-1] = '\0'; if (dev_set_name(&zcdndev->device, nodename)) { + kfree(zcdndev); rc = -EINVAL; goto unlockout; } -- 2.40.1