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 B4D301D09E4; Wed, 25 Sep 2024 12:12:46 +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=1727266366; cv=none; b=X7n6j97wu3SgRjVkathVnZa537iePCuYTOL0G1abKwi76VW/MMXCoLrjO61/OF5/ZwSn+xbsqf4y1CPlmfEoGF7CZpTsIct/qTRT3SZkQUeLzhkm1j86p98AVC2fakawjQvJWMzxNafvj1Keb1pITVYPuGA7wjiwT+HzNhGBmO0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727266366; c=relaxed/simple; bh=Ohhi8k8R187QiFgr3vx1uB0EkOOzrESJdh5GYE0JEOg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Kfyjc90LQlA7EWGuXZJsxNElz8+yjHswt9ZqXY4ddlqzvBK6KLM1jdod1GR9t4LFk2LelTIZjRA2N0ELTWS6hXGwyvNJAjiNgmXYpoCfRATAmqUHFEBbCVzs2QPdrSnoyH5IHfcY6dMq6Y5nNsdjQ28fmfXuRZ+WwJ+vp0dHMtI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aKXRTE4Y; 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="aKXRTE4Y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8F337C4CEC3; Wed, 25 Sep 2024 12:12:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727266366; bh=Ohhi8k8R187QiFgr3vx1uB0EkOOzrESJdh5GYE0JEOg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aKXRTE4Y341MVRhBaFi86pznrdplVEXXgD0Vu+9Uale/6uoJIEgErNBSlyaOLCjbU oNFpSXLbC70+gIWbe5atInmQQ5U493dEnTbUNZJEeEYJ3X4FSzlnfoGzq7kauvJ8BE 8Vkjjcg6GTOCXWx77eUwQhYrElKjkIoLvgHMjM3c6o04KWoBBd5vlRSG2mzCAK1rRj 7+RnrGXK38NxpT/rGietBiu10GJ9I/fC6GX27nXqJwJj2f1UW04DQHpOALcv2mdrdh rFeL++J1unsuSpaPj20g2WufxSZewoLOKlA5yvick4R35MLCoeS2XprEFaIA+58jG7 OFvWG+fyusr1w== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Pei Xiao , "Rafael J . Wysocki" , Sasha Levin , robert.moore@intel.com, linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev Subject: [PATCH AUTOSEL 6.6 032/139] ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package() Date: Wed, 25 Sep 2024 08:07:32 -0400 Message-ID: <20240925121137.1307574-32-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240925121137.1307574-1-sashal@kernel.org> References: <20240925121137.1307574-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.52 Content-Transfer-Encoding: 8bit From: Pei Xiao [ Upstream commit a5242874488eba2b9062985bf13743c029821330 ] ACPICA commit 4d4547cf13cca820ff7e0f859ba83e1a610b9fd0 ACPI_ALLOCATE_ZEROED() may fail, elements might be NULL and will cause NULL pointer dereference later. Link: https://github.com/acpica/acpica/commit/4d4547cf Signed-off-by: Pei Xiao Link: https://patch.msgid.link/tencent_4A21A2865B8B0A0D12CAEBEB84708EDDB505@qq.com [ rjw: Subject and changelog edits ] Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/acpica/dbconvert.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 2b84ac093698a..8dbab69320499 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -174,6 +174,8 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object) elements = ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS * sizeof(union acpi_object)); + if (!elements) + return (AE_NO_MEMORY); this = string; for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) { -- 2.43.0