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authorJiri Slaby <jslaby@suse.cz>2019-05-17 06:38:43 +0200
committerJiri Slaby <jslaby@suse.cz>2019-05-17 06:38:46 +0200
commitdc19148d01c66967ea0b2c4cf261534efee3a2a8 (patch)
tree64d1b63c007b1a1565ed05558222d437f3c4939d
parent1176afdf01766b091e2046942566dd0539ddd58b (diff)
selftests/seccomp: Handle namespace failures gracefully
-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c43
1 files changed, 23 insertions, 20 deletions
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 5019cdae5d0b..0fad0dc62338 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -3095,9 +3095,9 @@ TEST(user_notification_basic)
/* Check that we get -ENOSYS with no listener attached */
if (pid == 0) {
- if (user_trap_syscall(__NR_getpid, 0) < 0)
+ if (user_trap_syscall(__NR_getppid, 0) < 0)
exit(1);
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret >= 0 || errno != ENOSYS);
}
@@ -3112,12 +3112,12 @@ TEST(user_notification_basic)
EXPECT_EQ(seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog), 0);
/* Check that the basic notification machinery works */
- listener = user_trap_syscall(__NR_getpid,
+ listener = user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
/* Installing a second listener in the chain should EBUSY */
- EXPECT_EQ(user_trap_syscall(__NR_getpid,
+ EXPECT_EQ(user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER),
-1);
EXPECT_EQ(errno, EBUSY);
@@ -3126,7 +3126,7 @@ TEST(user_notification_basic)
ASSERT_GE(pid, 0);
if (pid == 0) {
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret != USER_NOTIF_MAGIC);
}
@@ -3144,7 +3144,7 @@ TEST(user_notification_basic)
EXPECT_GT(poll(&pollfd, 1, -1), 0);
EXPECT_EQ(pollfd.revents, POLLOUT);
- EXPECT_EQ(req.data.nr, __NR_getpid);
+ EXPECT_EQ(req.data.nr, __NR_getppid);
resp.id = req.id;
resp.error = 0;
@@ -3176,7 +3176,7 @@ TEST(user_notification_kill_in_middle)
TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
}
- listener = user_trap_syscall(__NR_getpid,
+ listener = user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
@@ -3188,7 +3188,7 @@ TEST(user_notification_kill_in_middle)
ASSERT_GE(pid, 0);
if (pid == 0) {
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret != USER_NOTIF_MAGIC);
}
@@ -3298,7 +3298,7 @@ TEST(user_notification_closed_listener)
TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
}
- listener = user_trap_syscall(__NR_getpid,
+ listener = user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
@@ -3309,7 +3309,7 @@ TEST(user_notification_closed_listener)
ASSERT_GE(pid, 0);
if (pid == 0) {
close(listener);
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret != -1 && errno != ENOSYS);
}
@@ -3332,14 +3332,15 @@ TEST(user_notification_child_pid_ns)
ASSERT_EQ(unshare(CLONE_NEWUSER | CLONE_NEWPID), 0);
- listener = user_trap_syscall(__NR_getpid, SECCOMP_FILTER_FLAG_NEW_LISTENER);
+ listener = user_trap_syscall(__NR_getppid,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
pid = fork();
ASSERT_GE(pid, 0);
if (pid == 0)
- exit(syscall(__NR_getpid) != USER_NOTIF_MAGIC);
+ exit(syscall(__NR_getppid) != USER_NOTIF_MAGIC);
EXPECT_EQ(ioctl(listener, SECCOMP_IOCTL_NOTIF_RECV, &req), 0);
EXPECT_EQ(req.pid, pid);
@@ -3371,7 +3372,8 @@ TEST(user_notification_sibling_pid_ns)
TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
}
- listener = user_trap_syscall(__NR_getpid, SECCOMP_FILTER_FLAG_NEW_LISTENER);
+ listener = user_trap_syscall(__NR_getppid,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
pid = fork();
@@ -3384,7 +3386,7 @@ TEST(user_notification_sibling_pid_ns)
ASSERT_GE(pid2, 0);
if (pid2 == 0)
- exit(syscall(__NR_getpid) != USER_NOTIF_MAGIC);
+ exit(syscall(__NR_getppid) != USER_NOTIF_MAGIC);
EXPECT_EQ(waitpid(pid2, &status, 0), pid2);
EXPECT_EQ(true, WIFEXITED(status));
@@ -3393,11 +3395,11 @@ TEST(user_notification_sibling_pid_ns)
}
/* Create the sibling ns, and sibling in it. */
- EXPECT_EQ(unshare(CLONE_NEWPID), 0);
- EXPECT_EQ(errno, 0);
+ ASSERT_EQ(unshare(CLONE_NEWPID), 0);
+ ASSERT_EQ(errno, 0);
pid2 = fork();
- EXPECT_GE(pid2, 0);
+ ASSERT_GE(pid2, 0);
if (pid2 == 0) {
ASSERT_EQ(ioctl(listener, SECCOMP_IOCTL_NOTIF_RECV, &req), 0);
@@ -3405,7 +3407,7 @@ TEST(user_notification_sibling_pid_ns)
* The pid should be 0, i.e. the task is in some namespace that
* we can't "see".
*/
- ASSERT_EQ(req.pid, 0);
+ EXPECT_EQ(req.pid, 0);
resp.id = req.id;
resp.error = 0;
@@ -3435,14 +3437,15 @@ TEST(user_notification_fault_recv)
ASSERT_EQ(unshare(CLONE_NEWUSER), 0);
- listener = user_trap_syscall(__NR_getpid, SECCOMP_FILTER_FLAG_NEW_LISTENER);
+ listener = user_trap_syscall(__NR_getppid,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
pid = fork();
ASSERT_GE(pid, 0);
if (pid == 0)
- exit(syscall(__NR_getpid) != USER_NOTIF_MAGIC);
+ exit(syscall(__NR_getppid) != USER_NOTIF_MAGIC);
/* Do a bad recv() */
EXPECT_EQ(ioctl(listener, SECCOMP_IOCTL_NOTIF_RECV, NULL), -1);