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From: Kees Cook <keescook@chromium.org>
To: Simon Kelley <simon@thekelleys.org.uk>
Cc: Kees Cook <keescook@chromium.org>, Kalle Valo <kvalo@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: [PATCH][next] atmel: Fix atmel_private_handler array size
Date: Mon, 17 Oct 2022 19:37:59 -0700	[thread overview]
Message-ID: <20221018023732.never.700-kees@kernel.org> (raw)

Fix the atmel_private_handler to correctly sized (1 element) again. (I
should have checked the data segment for differences.) This had no
behavioral impact (no private callbacks), but it made a very large
zero-filled array.

Cc: Simon Kelley <simon@thekelleys.org.uk>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Fixes: 8af9d4068e86 ("wifi: atmel: Avoid clashing function prototypes")
Signed-off-by: Kees Cook <keescook@chromium.org>
---
 drivers/net/wireless/atmel/atmel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/atmel/atmel.c b/drivers/net/wireless/atmel/atmel.c
index ed430b91e2aa..7c2d1c588156 100644
--- a/drivers/net/wireless/atmel/atmel.c
+++ b/drivers/net/wireless/atmel/atmel.c
@@ -2570,7 +2570,7 @@ static const iw_handler atmel_handler[] =
 
 static const iw_handler atmel_private_handler[] =
 {
-	IW_HANDLER(SIOCIWFIRSTPRIV,	NULL),
+	NULL,				/* SIOCIWFIRSTPRIV */
 };
 
 struct atmel_priv_ioctl {
-- 
2.34.1


             reply	other threads:[~2022-10-18  2:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-18  2:37 Kees Cook [this message]
2022-11-01 10:59 ` [next] wifi: atmel: Fix atmel_private_handler array size Kalle Valo

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