On Sun, Oct 23, 2022 at 10:32:08PM +0200, Jason A. Donenfeld wrote: > The RNG always mixes in the Linux version extremely early in boot. It > also always includes a cycle counter, not only during early boot, but > each and every time it is invoked prior to being fully initialized. > Together, this means that the use of additional xors inside of the > various stackprotector.h files is superfluous and over-complicated. > Instead, we can get exactly the same thing, but better, by just calling > `get_random_canary()`. > > Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx> > --- > arch/arm/include/asm/stackprotector.h | 9 +-------- > arch/arm64/include/asm/stackprotector.h | 9 +-------- For arm64: Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
