00198a6eaf
Use COMPAT_SYSCALL_DEFINE0 to define (rt_)sigreturn() syscalls to replace sys32_sigreturn() and sys32_rt_sigreturn(). This fixes indirect call mismatches with Control-Flow Integrity (CFI) checking. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Acked-by: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: H . Peter Anvin <hpa@zytor.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20191008224049.115427-4-samitolvanen@google.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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|---|---|---|
| .. | ||
| syscalls | ||
| vdso | ||
| vsyscall | ||
| Makefile | ||
| calling.h | ||
| common.c | ||
| entry_32.S | ||
| entry_64.S | ||
| entry_64_compat.S | ||
| syscall_32.c | ||
| syscall_64.c | ||
| thunk_32.S | ||
| thunk_64.S | ||