linux-hardening - [RESEND PATCH] sctp: Replace zero-length array with flexible array member

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Message-ID: <20241220192543.2048-2-thorsten.blum@linux.dev>
Date: Fri, 20 Dec 2024 20:25:43 +0100
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
	Xin Long <lucien.xin@...il.com>
Cc: linux-hardening@...r.kernel.org,
	Thorsten Blum <thorsten.blum@...ux.dev>,
	Kees Cook <kees@...nel.org>,
	linux-sctp@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RESEND PATCH] sctp: Replace zero-length array with flexible array member

Replace the deprecated zero-length array with a modern flexible array
member in the struct sctp_idatahdr.

Link: https://github.com/KSPP/linux/issues/78
Reviewed-by: Kees Cook <kees@...nel.org>
Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
---
 include/linux/sctp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index 836a7e200f39..19eaaf3948ed 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -239,7 +239,7 @@ struct sctp_idatahdr {
 		__u32 ppid;
 		__be32 fsn;
 	};
-	__u8 payload[0];
+	__u8 payload[];
 };
 
 struct sctp_idata_chunk {
-- 
2.47.1