Andreas Kling 0e92a80434 Kernel: Add some bits of randomness to kernel stack pointers ...

Since kernel stacks are much smaller (64 KiB) than userspace stacks,
we only add a small bit of randomness here (0-256 bytes, 16b aligned.)

This makes the location of the task context switch buffer not be
100% predictable. Note that we still also add extra randomness upon
syscall entry, so this patch primarily affects context switching.

2021-02-14 12:30:07 +01:00

..

i386

Kernel: Add some bits of randomness to kernel stack pointers

2021-02-14 12:30:07 +01:00

PC

Kernel: Assert if rounding-up-to-page-size would wrap around to 0

2021-02-14 10:01:50 +01:00