linux-hardening - Fwd: [PATCH -next, v3 2/2] audit: replace zero-length array with flexible-array member

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Message-ID: <CAHC9VhRsSydnMg3uYf9bjXtmP+zydTHxTJzNYygBREpN0s4Lmw@mail.gmail.com>
Date:   Thu, 16 Dec 2021 18:16:02 -0500
From:   Paul Moore <paul@...l-moore.com>
To:     Xiu Jianfeng <xiujianfeng@...wei.com>, linux-audit@...hat.com
Cc:     linux-hardening@...r.kernel.org
Subject: Fwd: [PATCH -next, v3 2/2] audit: replace zero-length array with
 flexible-array member

Forwarding this to the linux-audit mailing list.

---------- Forwarded message ---------
From: Xiu Jianfeng <xiujianfeng@...wei.com>
Date: Wed, Dec 15, 2021 at 9:08 PM
Subject: [PATCH -next, v3 2/2] audit: replace zero-length array with
flexible-array member
To: <paul@...l-moore.com>, <eparis@...hat.com>,
<keescook@...omium.org>, <gustavoars@...nel.org>
Cc: <linux-kernel@...r.kernel.org>, <linux-hardening@...r.kernel.org>


Zero-length arrays are deprecated and should be replaced with
flexible-array members.

Link: https://github.com/KSPP/linux/issues/78
Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
---
 include/uapi/linux/audit.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 9176a095fefc..8eda133ca4c1 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -514,7 +514,7 @@ struct audit_rule_data {
        __u32           values[AUDIT_MAX_FIELDS];
        __u32           fieldflags[AUDIT_MAX_FIELDS];
        __u32           buflen; /* total length of string fields */
-       char            buf[0]; /* string fields buffer */
+       char            buf[];  /* string fields buffer */
 };

 #endif /* _UAPI_LINUX_AUDIT_H_ */
--
2.17.1