parisc: Wire up seccomp, getrandom and memfd_create syscalls

[deliverable/linux.git] / arch / parisc / kernel / ptrace.c

diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index e842ee233db44ef902899280fbadd456175a4de3..3bab72462ab53f2cc74e205a7e43e45cc77b2a0f 100644 (file)
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -270,6 +270,12 @@ long do_syscall_trace_enter(struct pt_regs *regs)
 {
        long ret = 0;
 
+       /* Do the secure computing check first. */
+       if (secure_computing(regs->gr[20])) {
+               /* seccomp failures shouldn't expose any additional code. */
+               return -1;
+       }
+
        if (test_thread_flag(TIF_SYSCALL_TRACE) &&
            tracehook_report_syscall_entry(regs))
                ret = -1L;