From: Thorsten Blum <thorsten.blum@linux.dev>
To: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Kees Cook <kees@kernel.org>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Thorsten Blum <thorsten.blum@linux.dev>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org
Subject: [PATCH] i2c: atr: annotate i2c_atr_adap_desc->aliases with __counted_by_ptr
Date: Mon, 27 Apr 2026 19:28:19 +0200 [thread overview]
Message-ID: <20260427172817.417614-3-thorsten.blum@linux.dev> (raw)
Add the __counted_by_ptr() compiler attribute to ->aliases to improve
bounds checking via CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
include/linux/i2c-atr.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/i2c-atr.h b/include/linux/i2c-atr.h
index 2bb54dc87c8e..b52a7b9ec536 100644
--- a/include/linux/i2c-atr.h
+++ b/include/linux/i2c-atr.h
@@ -71,7 +71,7 @@ struct i2c_atr_adap_desc {
struct device *parent;
struct fwnode_handle *bus_handle;
size_t num_aliases;
- u16 *aliases;
+ u16 *aliases __counted_by_ptr(num_aliases);
};
/**
next reply other threads:[~2026-04-27 17:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 17:28 Thorsten Blum [this message]
2026-04-28 9:29 ` [PATCH] i2c: atr: annotate i2c_atr_adap_desc->aliases with __counted_by_ptr Luca Ceresoli
2026-04-28 20:27 ` Rosen Penev
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