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Message-Id: <20240424162739.work.492-kees@kernel.org>
Date: Wed, 24 Apr 2024 09:27:39 -0700
From: Kees Cook <keescook@...omium.org>
To: "Gustavo A . R . Silva" <gustavoars@...nel.org>
Cc: Kees Cook <keescook@...omium.org>,
Marco Elver <elver@...gle.com>,
Andrey Konovalov <andreyknvl@...il.com>,
Andrey Ryabinin <ryabinin.a.a@...il.com>,
kasan-dev@...glegroups.com,
linux-hardening@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH] 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.
Signed-off-by: Kees Cook <keescook@...omium.org>
---
Cc: Gustavo A. R. Silva <gustavoars@...nel.org>
Cc: Marco Elver <elver@...gle.com>
Cc: Andrey Konovalov <andreyknvl@...il.com>
Cc: Andrey Ryabinin <ryabinin.a.a@...il.com>
Cc: kasan-dev@...glegroups.com
Cc: linux-hardening@...r.kernel.org
---
lib/ubsan.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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 {
--
2.34.1
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