summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/seccomp/seccomp_bpf.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/seccomp/seccomp_bpf.c')
-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c77
1 files changed, 48 insertions, 29 deletions
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 6d7a81306f8a..408431744d06 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -2166,11 +2166,14 @@ TEST(detect_seccomp_filter_flags)
SECCOMP_FILTER_FLAG_LOG,
SECCOMP_FILTER_FLAG_SPEC_ALLOW,
SECCOMP_FILTER_FLAG_NEW_LISTENER };
- unsigned int flag, all_flags;
+ unsigned int exclusive[] = {
+ SECCOMP_FILTER_FLAG_TSYNC,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER };
+ unsigned int flag, all_flags, exclusive_mask;
int i;
long ret;
- /* Test detection of known-good filter flags */
+ /* Test detection of individual known-good filter flags */
for (i = 0, all_flags = 0; i < ARRAY_SIZE(flags); i++) {
int bits = 0;
@@ -2197,16 +2200,29 @@ TEST(detect_seccomp_filter_flags)
all_flags |= flag;
}
- /* Test detection of all known-good filter flags */
- ret = seccomp(SECCOMP_SET_MODE_FILTER, all_flags, NULL);
- EXPECT_EQ(-1, ret);
- EXPECT_EQ(EFAULT, errno) {
- TH_LOG("Failed to detect that all known-good filter flags (0x%X) are supported!",
- all_flags);
+ /*
+ * Test detection of all known-good filter flags combined. But
+ * for the exclusive flags we need to mask them out and try them
+ * individually for the "all flags" testing.
+ */
+ exclusive_mask = 0;
+ for (i = 0; i < ARRAY_SIZE(exclusive); i++)
+ exclusive_mask |= exclusive[i];
+ for (i = 0; i < ARRAY_SIZE(exclusive); i++) {
+ flag = all_flags & ~exclusive_mask;
+ flag |= exclusive[i];
+
+ ret = seccomp(SECCOMP_SET_MODE_FILTER, flag, NULL);
+ EXPECT_EQ(-1, ret);
+ EXPECT_EQ(EFAULT, errno) {
+ TH_LOG("Failed to detect that all known-good filter flags (0x%X) are supported!",
+ flag);
+ }
}
- /* Test detection of an unknown filter flag */
+ /* Test detection of an unknown filter flags, without exclusives. */
flag = -1;
+ flag &= ~exclusive_mask;
ret = seccomp(SECCOMP_SET_MODE_FILTER, flag, NULL);
EXPECT_EQ(-1, ret);
EXPECT_EQ(EINVAL, errno) {
@@ -3073,9 +3089,9 @@ 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);
}
@@ -3090,12 +3106,12 @@ 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);
@@ -3104,7 +3120,7 @@ TEST(user_notification_basic)
ASSERT_GE(pid, 0);
if (pid == 0) {
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret != USER_NOTIF_MAGIC);
}
@@ -3122,7 +3138,7 @@ 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;
@@ -3149,7 +3165,7 @@ TEST(user_notification_kill_in_middle)
struct seccomp_notif req = {};
struct seccomp_notif_resp resp = {};
- listener = user_trap_syscall(__NR_getpid,
+ listener = user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
@@ -3161,7 +3177,7 @@ 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);
}
@@ -3261,7 +3277,7 @@ TEST(user_notification_closed_listener)
long ret;
int status, listener;
- listener = user_trap_syscall(__NR_getpid,
+ listener = user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
@@ -3272,7 +3288,7 @@ 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);
}
@@ -3295,14 +3311,15 @@ TEST(user_notification_child_pid_ns)
ASSERT_EQ(unshare(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);
@@ -3330,7 +3347,8 @@ TEST(user_notification_sibling_pid_ns)
struct seccomp_notif req = {};
struct seccomp_notif_resp resp = {};
- 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();
@@ -3343,7 +3361,7 @@ 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));
@@ -3352,11 +3370,11 @@ 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);
@@ -3364,7 +3382,7 @@ 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;
@@ -3392,14 +3410,15 @@ TEST(user_notification_fault_recv)
struct seccomp_notif req = {};
struct seccomp_notif_resp resp = {};
- 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);
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-08 04:11:40 +0000