From: Kees Cook <keescook@xxxxxxxxxxxx> Date: Mon, 8 Oct 2018 08:46:51 -0700 > In the quest to remove all stack VLA usage from the kernel[1], this moves > the math for cookies calculation into macros and allocates a fixed size > array for the maximum number of cookies and adds a runtime sanity check. > (Note that the size was always fixed, but just hidden from the compiler.) > > [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@xxxxxxxxxxxxxx > > Cc: Jens Axboe <axboe@xxxxxxxxx> > Cc: linux-block@xxxxxxxxxxxxxxx > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Applied.