From: Thorsten Blum <thorsten.blum@toblux.com>
To: jack@suse.cz, kees@kernel.org, gustavoars@kernel.org
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org,
Thorsten Blum <thorsten.blum@toblux.com>
Subject: [PATCH] isofs: Annotate struct SL_component with __counted_by()
Date: Fri, 30 Aug 2024 18:49:03 +0200 [thread overview]
Message-ID: <20240830164902.112682-2-thorsten.blum@toblux.com> (raw)
Add the __counted_by compiler attribute to the flexible array member
text to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
CONFIG_FORTIFY_SOURCE.
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
---
fs/isofs/rock.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/isofs/rock.h b/fs/isofs/rock.h
index ee9660e9671c..7755e587f778 100644
--- a/fs/isofs/rock.h
+++ b/fs/isofs/rock.h
@@ -44,7 +44,7 @@ struct RR_PN_s {
struct SL_component {
__u8 flags;
__u8 len;
- __u8 text[];
+ __u8 text[] __counted_by(len);
} __attribute__ ((packed));
struct RR_SL_s {
--
2.46.0
next reply other threads:[~2024-08-30 16:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-30 16:49 Thorsten Blum [this message]
2024-09-02 13:55 ` [PATCH] isofs: Annotate struct SL_component with __counted_by() Jan Kara
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