From: Kees Cook <keescook@chromium.org>
Date: Wed, 24 Apr 2024 16:27:39 +0000 (-0700)
Subject: ubsan: Remove 1-element array usage in debug reporting
X-Git-Tag: block-6.10-20240523~22^2~19
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=c209826737b733b4ccd38448d7b025bb128aaa8a;p=linux-block.git

ubsan: Remove 1-element array usage in debug reporting

The "type_name" character array was still marked as a 1-element array.
While we don't validate strings used in format arguments yet, let's fix
this before it causes trouble some future day.

Link: https://lore.kernel.org/r/20240424162739.work.492-kees@kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
---

diff --git a/lib/ubsan.h b/lib/ubsan.h
index 0abbbac8700d..50ef50811b7c 100644
--- a/lib/ubsan.h
+++ b/lib/ubsan.h
@@ -43,7 +43,7 @@ enum {
 struct type_descriptor {
 	u16 type_kind;
 	u16 type_info;
-	char type_name[1];
+	char type_name[];
 };
 
 struct source_location {