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| author | Christian Brauner <christian.brauner@ubuntu.com> | 2020-06-17 00:48:54 +0200 |
|---|---|---|
| committer | Christian Brauner <christian.brauner@ubuntu.com> | 2020-06-17 00:48:54 +0200 |
| commit | 86f56395feb2b106b125c47e72192e37da5dd088 (patch) | |
| tree | a63cde19caa1c5ebe0d436d836bc464f4c25b238 /tools/testing/selftests/pidfd/pidfd_setns_test.c | |
| parent | e571d4ee334719727f22cce30c4c74471d4ef68a (diff) | |
| download | linux-86f56395feb2b106b125c47e72192e37da5dd088.tar.bz2 | |
tests: test for setns() EINVAL regression
Verify that setns() reports EINVAL when an fd is passed that refers to an
open file but the file is not a file descriptor useable to interact with
namespaces.
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Cyril Hrubis <chrubis@suse.cz>
Link: https://lore.kernel.org/lkml/20200615085836.GR12456@shao2-debian
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'tools/testing/selftests/pidfd/pidfd_setns_test.c')
| -rw-r--r-- | tools/testing/selftests/pidfd/pidfd_setns_test.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/testing/selftests/pidfd/pidfd_setns_test.c b/tools/testing/selftests/pidfd/pidfd_setns_test.c index 133ec5b6cda8..9418108eae13 100644 --- a/tools/testing/selftests/pidfd/pidfd_setns_test.c +++ b/tools/testing/selftests/pidfd/pidfd_setns_test.c @@ -470,4 +470,16 @@ TEST_F(current_nsset, no_foul_play) } } +TEST(setns_einval) +{ + int fd; + + fd = sys_memfd_create("rostock", 0); + EXPECT_GT(fd, 0); + + ASSERT_NE(setns(fd, 0), 0); + EXPECT_EQ(errno, EINVAL); + close(fd); +} + TEST_HARNESS_MAIN |