On Fri, Sep 29, 2023 at 05:59:22PM +0200, Gustavo A. R. Silva wrote: > `struct urb` is a flexible structure, which means that it contains a > flexible-array member at the bottom. This could potentially lead to an > overwrite of the objects following `receiver` in `struct comm_runtime`, > among them some function pointers. > > Fix this by placing the declaration of object `receiver` at the end of > `struct comm_runtime`. > > Fixes: ddb6b5a96437 ("ALSA: 6fire: fix DMA issues with URB transfer_buffer usage") > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx> Should these mention -Wflex-array-member-not-at-end ? Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook