linux-hardening - [PATCH] ksmbd: Replace one-element arrays with flexible-array members

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Message-Id: <20240816135823.87543-1-thorsten.blum@toblux.com>
Date: Fri, 16 Aug 2024 15:58:25 +0200
From: Thorsten Blum <thorsten.blum@...lux.com>
To: linkinjeon@...nel.org,
	sfrench@...ba.org,
	senozhatsky@...omium.org,
	tom@...pey.com
Cc: linux-cifs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	Thorsten Blum <thorsten.blum@...lux.com>
Subject: [PATCH] ksmbd: Replace one-element arrays with flexible-array members

Replace the deprecated one-element arrays with flexible-array members
in the structs filesystem_attribute_info and filesystem_device_info.

Link: https://github.com/KSPP/linux/issues/79
Signed-off-by: Thorsten Blum <thorsten.blum@...lux.com>
---
 fs/smb/server/smb_common.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/smb/server/smb_common.h b/fs/smb/server/smb_common.h
index 4a3148b0167f..cc1d6dfe29d5 100644
--- a/fs/smb/server/smb_common.h
+++ b/fs/smb/server/smb_common.h
@@ -213,7 +213,7 @@ struct filesystem_attribute_info {
 	__le32 Attributes;
 	__le32 MaxPathNameComponentLength;
 	__le32 FileSystemNameLen;
-	__le16 FileSystemName[1]; /* do not have to save this - get subset? */
+	__le16 FileSystemName[]; /* do not have to save this - get subset? */
 } __packed;
 
 struct filesystem_device_info {
@@ -226,7 +226,7 @@ struct filesystem_vol_info {
 	__le32 SerialNumber;
 	__le32 VolumeLabelSize;
 	__le16 Reserved;
-	__le16 VolumeLabel[1];
+	__le16 VolumeLabel[];
 } __packed;
 
 struct filesystem_info {
-- 
2.39.2