On Sat, May 18, 2024 at 07:47:02PM +0200, Christophe JAILLET wrote: > This is an effort to get rid of all multiplications from allocation > functions in order to prevent integer overflows [1][2]. > > The "struct dma_fence_array" can be refactored to add a flex array in order > to have the "callback structures allocated behind the array" be more > explicit. > > Do so: > - makes the code more readable and safer. > - allows using __counted_by() for additional checks > - avoids some pointer arithmetic in dma_fence_array_enable_signaling() > > Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1] > Link: https://github.com/KSPP/linux/issues/160 [2] > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> Yes please! :) Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook
