linux-kernel - [PATCH] hyperv: Add missing field to hv_output_map_device

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <1755109257-6893-1-git-send-email-nunodasneves@linux.microsoft.com>
Date: Wed, 13 Aug 2025 11:20:57 -0700
From: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
To: linux-hyperv@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: kys@...rosoft.com,
	haiyangz@...rosoft.com,
	wei.liu@...nel.org,
	mhklinux@...look.com,
	decui@...rosoft.com,
	Nuno Das Neves <nunodasneves@...ux.microsoft.com>
Subject: [PATCH] hyperv: Add missing field to hv_output_map_device_interrupt

This field is unused, but the correct structure size is needed
when computing the amount of space for the output argument to
reside, so that it does not cross a page boundary.

Signed-off-by: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
---
 include/hyperv/hvhdk_mini.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/hyperv/hvhdk_mini.h b/include/hyperv/hvhdk_mini.h
index 42e7876455b5..858f6a3925b3 100644
--- a/include/hyperv/hvhdk_mini.h
+++ b/include/hyperv/hvhdk_mini.h
@@ -301,6 +301,7 @@ struct hv_input_map_device_interrupt {
 /* HV_OUTPUT_MAP_DEVICE_INTERRUPT */
 struct hv_output_map_device_interrupt {
 	struct hv_interrupt_entry interrupt_entry;
+	u64 ext_status_deprecated[5];
 } __packed;
 
 /* HV_INPUT_UNMAP_DEVICE_INTERRUPT */
-- 
2.34.1