Module Name: src
Committed By: kamil
Date: Fri Jan 6 22:40:06 UTC 2017
Modified Files:
src/tests/kernel: t_ptrace_wait.c
Log Message:
Add new test siginfo4 in t_ptrace_wait{,3,4,6,id,pid}
siginfo4:
Detect SIGTRAP TRAP_EXEC from tracee
This test is currently disabled and it will be enabled once
PT_[SG]ET_SIGINFO will land the sources.
Sponsored by <The NetBSD Foundation>
To generate a diff of this commit:
cvs rdiff -u -r1.49 -r1.50 src/tests/kernel/t_ptrace_wait.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/kernel/t_ptrace_wait.c
diff -u src/tests/kernel/t_ptrace_wait.c:1.49 src/tests/kernel/t_ptrace_wait.c:1.50
--- src/tests/kernel/t_ptrace_wait.c:1.49 Wed Jan 4 22:27:20 2017
+++ src/tests/kernel/t_ptrace_wait.c Fri Jan 6 22:40:06 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ptrace_wait.c,v 1.49 2017/01/04 22:27:20 kamil Exp $ */
+/* $NetBSD: t_ptrace_wait.c,v 1.50 2017/01/06 22:40:06 kamil Exp $ */
/*-
* Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.49 2017/01/04 22:27:20 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.50 2017/01/06 22:40:06 kamil Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -4701,6 +4701,66 @@ ATF_TC_BODY(siginfo3, tc)
}
#endif
+#if defined(HAVE_SIGINFO)
+ATF_TC(siginfo4);
+ATF_TC_HEAD(siginfo4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Detect SIGTRAP TRAP_EXEC from tracee");
+}
+
+ATF_TC_BODY(siginfo4, tc)
+{
+ const int sigval = SIGTRAP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ struct ptrace_siginfo info;
+ memset(&info, 0, sizeof(info));
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before calling execve(2) from child\n");
+ execlp("/bin/echo", "/bin/echo", NULL);
+
+ FORKEE_ASSERT(0 && "Not reached");
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
+ printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
+ info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
+ info.psi_siginfo.si_errno);
+
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
ATF_TP_ADD_TCS(tp)
{
setvbuf(stdout, NULL, _IONBF, 0);
@@ -4786,6 +4846,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC_HAVE_SIGINFO(tp, siginfo1);
ATF_TP_ADD_TC_HAVE_SIGINFO(tp, siginfo2);
ATF_TP_ADD_TC_HAVE_SIGINFO(tp, siginfo3);
+ ATF_TP_ADD_TC_HAVE_SIGINFO(tp, siginfo4);
return atf_no_error();
}
