On 2018-10-18 13:56:24 [-0700], Dave Hansen wrote: > > But this is not the only loophole: There is ptrace interface which is > > used by gdb (just checked) and also bypasses PKRU. So… > > Bypassing protection keys is not a big deal IMNHO. In places where a > sane one is not readily available, I'm totally fine with just > effectively disabling it (PKRU=0) for the length of time it isn't available. Okay, this makes things easier. Let document that for kernel threads we use PKRU=0. This should be happening in my try right now. I double check tomorrow just in case… Sebastian
