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Subject: media: allegro: Annotate struct mcu_msg_push_buffers_internal with __counted_by Author: Kees Cook <keesc...@chromium.org> Date: Fri Sep 22 10:49:36 2023 -0700 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 mcu_msg_push_buffers_internal. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Michael Tretter <m.tret...@pengutronix.de> Cc: Pengutronix Kernel Team <ker...@pengutronix.de> Signed-off-by: Kees Cook <keesc...@chromium.org> Reviewed-by: Gustavo A. R. Silva <gustavo...@kernel.org> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> drivers/media/platform/allegro-dvt/allegro-mail.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- diff --git a/drivers/media/platform/allegro-dvt/allegro-mail.h b/drivers/media/platform/allegro-dvt/allegro-mail.h index a5686058d754..c0c9013f1aab 100644 --- a/drivers/media/platform/allegro-dvt/allegro-mail.h +++ b/drivers/media/platform/allegro-dvt/allegro-mail.h @@ -184,7 +184,7 @@ struct mcu_msg_push_buffers_internal { struct mcu_msg_header header; u32 channel_id; size_t num_buffers; - struct mcu_msg_push_buffers_internal_buffer buffer[]; + struct mcu_msg_push_buffers_internal_buffer buffer[] __counted_by(num_buffers); }; struct mcu_msg_put_stream_buffer { _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
