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.
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(-)
--
2.23.0.351.gc4317032e6-goog
