On Tue, Oct 8, 2019 at 3:41 PM Sami Tolvanen <[email protected]> wrote: > > This patch set changes x86 syscall wrappers and related functions to > use function types that match sys_call_ptr_t. This fixes indirect call > mismatches with Control-Flow Integrity (CFI) checking.
tglx, I'm pretty happy with this series. Do you need anything else from me or do you want to just pick it up in -tip? --Andy > > Changes since v1: > - Use SYSCALL_DEFINE0 for __x64_sys_ni_syscall. > - Include Andy's COMPAT_SYSCALL_DEFINE0 patch and use the macro > for (rt_)sigreturn. > > Andy Lutomirski (1): > x86/syscalls: Wire up COMPAT_SYSCALL_DEFINE0 > > Sami Tolvanen (4): > x86: use the correct function type in SYSCALL_DEFINE0 > x86: use COMPAT_SYSCALL_DEFINE0 for IA32 (rt_)sigreturn > x86: use the correct function type for sys_ni_syscall > x86: fix function types in COND_SYSCALL > > arch/x86/entry/syscall_32.c | 8 +-- > arch/x86/entry/syscall_64.c | 14 +++-- > arch/x86/entry/syscalls/syscall_32.tbl | 8 +-- > arch/x86/ia32/ia32_signal.c | 5 +- > arch/x86/include/asm/syscall_wrapper.h | 76 ++++++++++++++++++++------ > 5 files changed, 78 insertions(+), 33 deletions(-) > > -- > 2.23.0.581.g78d2f28ef7-goog >
