From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 856694779A5; Wed, 27 May 2026 18:12:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779905568; cv=none; b=AD+gh8FeZilM+FK0zm/gB6Hk9iu9RJYjd+YJTdvXvj0zKSlJOMuHi5Q1H9Ft8xGKk/9ZKAPqztPyDgX/EiJeq1RbKUQzAz5QkS414fS8CX2xHjTV1pzkmViynq6g46Mk1EQ+IDMxe+0WV/84kg4CSdKMS8eMhnW0xpzVHYQT2i8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779905568; c=relaxed/simple; bh=8gawcBTVm+mnNbzeelX2dBDi8hXYvuEoYes8HOmzLws=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=P7XQVS3weqrdimqRyzcVMLh18xwfNQPWGBTyru6cmM4bcT3VpeB6mx4/zwXxS0NYd5jMPIA9bSkpv8p9w60KHl83QYrzOX+0oea/0QXMwThT6iIyf9B2E9DJ8z2UyVvIVq1xjAEDrJiXUY4WRqnuQZ+yM0spNpYO6akhrHrMnvw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R3O8Uy+g; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="R3O8Uy+g" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A77F11F000E9; Wed, 27 May 2026 18:12:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779905567; bh=BAUtvQjsUcmnCY5TIky7k/8Ut+mkWsQQyqganxdMvjg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=R3O8Uy+gk/zHwL5clnpZGZegjIrXBBVVFspPqZwt6I4BSLW4zwT8HTTilPhBhkFD3 gILJJBSYNPbHj2lEM9C7yEggDtNlMc6APmndm8nbjEr6QCzH/jBITqH+Fdfz48qRCv +XTWwafgJqC91qhtCqcecGjUzDn3DcSMpKrmBJsVZqR5xXMumUpUKO0SHVgk2lyA3K 3gnMAqqX+aMGZ8yKx26l5xyorEPRu8m3jOmGAQJBh6/q7Kdc+4NL4LXAXMz5idHIET l3+O1yzj7MD1D9yjfKle/TnB4/5h5LSZrxhlZFmBVeeqRbnaPsDkyGSChKZkYuVsG4 QCUAg20mEsMKQ== From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , Saket Dumbre , Pawel Chmielewski Subject: [PATCH v1 03/27] ACPICA: Fix condition check in acpi_ps_parse_loop() Date: Wed, 27 May 2026 19:53:12 +0200 Message-ID: <1959692.tdWV9SEqCh@rafael.j.wysocki> Organization: Linux Kernel Development In-Reply-To: <5998844.DvuYhMxLoT@rafael.j.wysocki> References: <5998844.DvuYhMxLoT@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: 7Bit Content-Type: text/plain; charset="UTF-8" From: ikaros Fix condition check for AML_ELSE_OP in acpi_ps_parse_loop() to prevent out-of-bounds access. Link: https://github.com/acpica/acpica/commit/3b537b92336e Signed-off-by: ikaros Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpica/psloop.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index c989cadf271c..35111ff2526b 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -425,7 +425,10 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) ACPI_ERROR((AE_INFO, "Skipping While/If block")); - if (*walk_state->aml == AML_ELSE_OP) { + if ((walk_state->aml < + parser_state->aml_end) + && (*walk_state->aml == + AML_ELSE_OP)) { ACPI_ERROR((AE_INFO, "Skipping Else block")); walk_state->parser_state.aml = -- 2.51.0