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 RESEND] i2c: atr: annotate i2c_atr_adap_desc->aliases with __counted_by_ptr
Date: Thu, 11 Jun 2026 23:55:02 +0200 [thread overview]
Message-ID: <20260611215501.464405-3-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.
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
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);
};
/**
reply other threads:[~2026-06-11 21:55 UTC|newest]
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