Re: [PATCH v24 22/30] x86/cet/shstk: Add user-mode shadow stack support

2021-04-09 Thread Yu, Yu-cheng
On 4/9/2021 8:57 AM, Kirill A. Shutemov wrote: On Thu, Apr 01, 2021 at 03:10:56PM -0700, Yu-cheng Yu wrote: Introduce basic shadow stack enabling/disabling/allocation routines. A task's shadow stack is allocated from memory with VM_SHADOW_STACK flag and has a fixed size of min(RLIMIT_STACK, 4GB)

Re: [PATCH v24 22/30] x86/cet/shstk: Add user-mode shadow stack support

2021-04-09 Thread Kirill A. Shutemov
On Thu, Apr 01, 2021 at 03:10:56PM -0700, Yu-cheng Yu wrote: > Introduce basic shadow stack enabling/disabling/allocation routines. > A task's shadow stack is allocated from memory with VM_SHADOW_STACK flag > and has a fixed size of min(RLIMIT_STACK, 4GB). > > Signed-off-by: Yu-cheng Yu > Cc: Kee

[PATCH v24 22/30] x86/cet/shstk: Add user-mode shadow stack support

2021-04-01 Thread Yu-cheng Yu
Introduce basic shadow stack enabling/disabling/allocation routines. A task's shadow stack is allocated from memory with VM_SHADOW_STACK flag and has a fixed size of min(RLIMIT_STACK, 4GB). Signed-off-by: Yu-cheng Yu Cc: Kees Cook --- v24: - Rename cet.c to shstk.c, update related areas accordin