Differential D9939 Diff 26314 head/tests/sys/kern/ptrace_test.c

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head/tests/sys/kern/ptrace_test.c

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}		}
ATF_TC_WITHOUT_HEAD(ptrace__parent_terminate_with_pending_sigstop2);		ATF_TC_WITHOUT_HEAD(ptrace__parent_terminate_with_pending_sigstop2);
ATF_TC_BODY(ptrace__parent_terminate_with_pending_sigstop2, tc)		ATF_TC_BODY(ptrace__parent_terminate_with_pending_sigstop2, tc)
{		{

terminate_with_pending_sigstop(false);		terminate_with_pending_sigstop(false);
}		}

		/*
		* Verify that after ptrace() discards a SIGKILL signal, the event mask
		* is not modified.
		*/
		ATF_TC_WITHOUT_HEAD(ptrace__event_mask_sigkill_discard);
		ATF_TC_BODY(ptrace__event_mask_sigkill_discard, tc)
		{
		struct ptrace_lwpinfo pl;
		pid_t fpid, wpid;
		int status, event_mask, new_event_mask;

		ATF_REQUIRE((fpid = fork()) != -1);
		if (fpid == 0) {
		trace_me();
		raise(SIGSTOP);
		exit(0);
		}

		/* The first wait() should report the stop from trace_me(). */
		wpid = waitpid(fpid, &status, 0);
		ATF_REQUIRE(wpid == fpid);
		ATF_REQUIRE(WIFSTOPPED(status));
		ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP);

		/* Set several unobtrusive event bits. */
		event_mask = PTRACE_EXEC \| PTRACE_FORK \| PTRACE_LWP;
		ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, wpid, (caddr_t)&event_mask,
		sizeof(event_mask)) == 0);

		/* Send a SIGKILL without using ptrace. */
		ATF_REQUIRE(kill(fpid, SIGKILL) == 0);

		/* Continue the child ignoring the SIGSTOP. */
		ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0);

		/* The next stop should be due to the SIGKILL. */
		wpid = waitpid(fpid, &status, 0);
		ATF_REQUIRE(wpid == fpid);
		ATF_REQUIRE(WIFSTOPPED(status));
		ATF_REQUIRE(WSTOPSIG(status) == SIGKILL);

		ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1);
		ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI);
		ATF_REQUIRE(pl.pl_siginfo.si_signo == SIGKILL);

		/* Continue the child ignoring the SIGKILL. */
		ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0);

		/* The next wait() should report the stop from SIGSTOP. */
		wpid = waitpid(fpid, &status, 0);
		ATF_REQUIRE(wpid == fpid);
		ATF_REQUIRE(WIFSTOPPED(status));
		ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP);

		/* Check the current event mask. It should not have changed. */
		new_event_mask = 0;
		ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, wpid, (caddr_t)&new_event_mask,
		sizeof(new_event_mask)) == 0);
		ATF_REQUIRE(event_mask == new_event_mask);

		/* Continue the child to let it exit. */
		ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0);

		/* The last event should be for the child process's exit. */
		wpid = waitpid(fpid, &status, 0);
		ATF_REQUIRE(WIFEXITED(status));
		ATF_REQUIRE(WEXITSTATUS(status) == 0);

		wpid = wait(&status);
		ATF_REQUIRE(wpid == -1);
		ATF_REQUIRE(errno == ECHILD);
		}

ATF_TP_ADD_TCS(tp)		ATF_TP_ADD_TCS(tp)
{		{

ATF_TP_ADD_TC(tp, ptrace__parent_wait_after_trace_me);		ATF_TP_ADD_TC(tp, ptrace__parent_wait_after_trace_me);
ATF_TP_ADD_TC(tp, ptrace__parent_wait_after_attach);		ATF_TP_ADD_TC(tp, ptrace__parent_wait_after_attach);
ATF_TP_ADD_TC(tp, ptrace__parent_sees_exit_after_child_debugger);		ATF_TP_ADD_TC(tp, ptrace__parent_sees_exit_after_child_debugger);
ATF_TP_ADD_TC(tp, ptrace__parent_sees_exit_after_unrelated_debugger);		ATF_TP_ADD_TC(tp, ptrace__parent_sees_exit_after_unrelated_debugger);
ATF_TP_ADD_TC(tp, ptrace__follow_fork_both_attached);		ATF_TP_ADD_TC(tp, ptrace__follow_fork_both_attached);
Show All 30 Lines	#endif
ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_full_sigqueue);		ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_full_sigqueue);
ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_change_sig);		ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_change_sig);
ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_sigtrap_system_call_entry);		ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_sigtrap_system_call_entry);
ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_mix);		ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_mix);
ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_kqueue);		ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_kqueue);
ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_thread_sigmask);		ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_thread_sigmask);
ATF_TP_ADD_TC(tp, ptrace__parent_terminate_with_pending_sigstop1);		ATF_TP_ADD_TC(tp, ptrace__parent_terminate_with_pending_sigstop1);
ATF_TP_ADD_TC(tp, ptrace__parent_terminate_with_pending_sigstop2);		ATF_TP_ADD_TC(tp, ptrace__parent_terminate_with_pending_sigstop2);
		ATF_TP_ADD_TC(tp, ptrace__event_mask_sigkill_discard);

return (atf_no_error());		return (atf_no_error());
}		}