From nobody Sun Feb 8 10:44:01 2026 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 3C65B39903F; Wed, 14 Jan 2026 12:42:50 +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=1768394570; cv=none; b=TOsCqgFnUEmWUZthkivrcdCQwM3rSP8J09Rwxh3cJ/NHxNAEsy0EddLYmIlA5lFY4wx26bD6fKFLxD0FpKPu3FvQ0PbkQBT0JpoHsMH1QJLM8grpuJ1+vbhzq+weEMEC3ta/Mqfd3Yjjjok3QdpPOOO8tQrGzhthDiYRXeeMdSk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768394570; c=relaxed/simple; bh=MBQcKK1xMQX9NcrjlkMsQfXp88GRYyIMCOxYz5PnoRY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oW3VbXBEj6hu9DZcoaxAvqrtK0mzF0pWENHzSszuwf8vcZgoGe2ELQXK0ft0ZKNSb8u59bu1vGl4M2DGcRAkvbMga6VjbkuD+AmX23NPeZzWmmcpi8y5MGb9tuqJj2bhD8ukHvw7ldkOTSk9x0NlYRcyy53lgYBbocEn8UiShEA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RSoVGui3; 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="RSoVGui3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F9EEC16AAE; Wed, 14 Jan 2026 12:42:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768394570; bh=MBQcKK1xMQX9NcrjlkMsQfXp88GRYyIMCOxYz5PnoRY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RSoVGui3E9fZTuxfeM7RciRd6iwEZpNXcFY1zWsioEZuCNslen9iyisrLmubXDqwP 4PUycgPKKr6G5E4h0CRDrQL5j9t+4E95MDyOTc47C7LT20zRpcqPTRsL5ncIO7F3ZH nBzgar7wIqnlkN6YYHFMcE2lTYjYUFgFA72HVhBSl4QlQBKh7r+fGR35pT949OAmP+ aziHHNlhL0bPFMy0DVgb5j9MFIMpwcvN3vvdE3x9DgWbF8kp6mj2s+ajXE4HG1Equ8 +mG1kuEyJGcX+K8qboDDWCEMxO45j9BtiA/mAPpX82gdUsB+dE7BBWg4Qo4e7zXeWB fahgLKqb/b21g== From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , "Dumbre, Saket" Subject: [PATCH v1 02/26] ACPICA: ACPICA: replace ACPI_FREE() with acpi_ut_delete_object_desc() Date: Wed, 14 Jan 2026 13:17:36 +0100 Message-ID: <4710853.LvFx2qVVIh@rafael.j.wysocki> Organization: Linux Kernel Development In-Reply-To: <12822121.O9o76ZdvQC@rafael.j.wysocki> References: <12822121.O9o76ZdvQC@rafael.j.wysocki> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Zilin Guan acpi_ut_create_internal_object() may allocate memory from a slab cache via kmem_cache_zalloc(), but the code currently frees it with ACPI_FREE(), which calls kfree(). This mismatch prevents the object from being released properly and may lead to memory leaks or other issues. Fix this by replacing ACPI_FREE() with acpi_ut_delete_object_desc(), which matches the allocation method used for internal objects. Link: https://github.com/acpica/acpica/commit/a1c55dfea194 Signed-off-by: Zilin Guan Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpica/nsxfname.c | 2 +- drivers/acpi/acpica/utobject.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 1db831545ec8..b6895a48ae68 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -601,7 +601,7 @@ acpi_status acpi_install_method(u8 *buffer) error_exit: =20 ACPI_FREE(aml_buffer); - ACPI_FREE(method_obj); + acpi_ut_delete_object_desc(method_obj); return (status); } ACPI_EXPORT_SYMBOL(acpi_install_method) diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c index 272e46208263..8362204b57b5 100644 --- a/drivers/acpi/acpica/utobject.c +++ b/drivers/acpi/acpica/utobject.c @@ -148,7 +148,7 @@ union acpi_operand_object *acpi_ut_create_package_objec= t(u32 count) package_elements =3D ACPI_ALLOCATE_ZEROED(((acpi_size)count + 1) * sizeof(void *)); if (!package_elements) { - ACPI_FREE(package_desc); + acpi_ut_delete_object_desc(package_desc); return_PTR(NULL); } =20 --=20 2.51.0