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R. Silva" In-Reply-To: <20230915200612.never.786-kees@kernel.org> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 187.162.21.192 X-Source-L: No X-Exim-ID: 1qhFUO-002OQb-0M X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 187-162-21-192.static.axtel.net ([192.168.15.8]) [187.162.21.192]:40496 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 161 X-Org: HG=hgshared;ORG=hostgator; X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfDv3DdmPnQpUDKTLCo/KWt6H+uQJHnRb6R9sW57HjciMxgBlU8AQZKrz+YTSuQQxImxOnuif1AklkKQAvAnXn9nptK4blP4IEHTTSnFQrTLqXaNRi5gx lmbZEVL3iH0BSSl/PijxAgpZeqDcmqpztW9VOKJ89Q9IlvEnozceq52JAy+OYX0uV4c1cms7l7PJxsGhhD/6kKOKlEYkGWH7VkOyml6OfNG92TgOR9JvR4fT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230915_133250_251940_46A46EA5 X-CRM114-Status: GOOD ( 12.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 9/15/23 14:06, Kees Cook wrote: > Prepare for the coming implementation by GCC and Clang of the __counted_by > attribute. Flexible array members annotated with __counted_by can have > their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS > (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family > functions). > > As found with Coccinelle[1], add __counted_by for struct mt76_rx_tid. > > [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci > > Cc: Felix Fietkau > Cc: Lorenzo Bianconi > Cc: Ryder Lee > Cc: Shayne Chen > Cc: Sean Wang > Cc: Kalle Valo > Cc: Matthias Brugger > Cc: AngeloGioacchino Del Regno > Cc: linux-wireless@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-mediatek@lists.infradead.org > Signed-off-by: Kees Cook Reviewed-by: Gustavo A. R. Silva Thanks -- Gustavo > --- > drivers/net/wireless/mediatek/mt76/mt76.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h > index e8757865a3d0..03ef617b1527 100644 > --- a/drivers/net/wireless/mediatek/mt76/mt76.h > +++ b/drivers/net/wireless/mediatek/mt76/mt76.h > @@ -376,7 +376,7 @@ struct mt76_rx_tid { > > u8 started:1, stopped:1, timer_pending:1; > > - struct sk_buff *reorder_buf[]; > + struct sk_buff *reorder_buf[] __counted_by(size); > }; > > #define MT_TX_CB_DMA_DONE BIT(0) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel