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| author |   Christian Brauner <brauner@kernel.org> | 2025-06-18 22:53:48 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-06-23 12:22:08 +0200 |
| commit | 7442d093dfae0c9482eeeb8bebfd682459244be0 (patch) | |
| tree | 7a672873250913c723dbb5355c3a40d141529c45 | |
| parent | selftests/pidfd: test extended attribute support (diff) | |
| download | wireguard-linux-7442d093dfae0c9482eeeb8bebfd682459244be0.tar.xz wireguard-linux-7442d093dfae0c9482eeeb8bebfd682459244be0.zip | |
selftests/pidfd: test extended attribute support
Test that extended attributes are permanent.
Link: https://lore.kernel.org/20250618-work-pidfs-persistent-v2-14-98f3456fd552@kernel.org
Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | tools/testing/selftests/pidfd/pidfd_xattr_test.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/pidfd/pidfd_xattr_test.c b/tools/testing/selftests/pidfd/pidfd_xattr_test.c index 00d400ac515b..5cf7bb0e4bf2 100644 --- a/tools/testing/selftests/pidfd/pidfd_xattr_test.c +++ b/tools/testing/selftests/pidfd/pidfd_xattr_test.c @@ -94,4 +94,39 @@ TEST_F(pidfs_xattr, set_get_list_xattr_multiple) } } +TEST_F(pidfs_xattr, set_get_list_xattr_persistent) +{ + int ret; + char buf[32]; + char list[PATH_MAX] = {}; + + ret = fsetxattr(self->child_pidfd, "trusted.persistent", "persistent value", strlen("persistent value"), 0); + ASSERT_EQ(ret, 0); + + memset(buf, 0, sizeof(buf)); + ret = fgetxattr(self->child_pidfd, "trusted.persistent", buf, sizeof(buf)); + ASSERT_EQ(ret, strlen("persistent value")); + ASSERT_EQ(strcmp(buf, "persistent value"), 0); + + ret = flistxattr(self->child_pidfd, list, sizeof(list)); + ASSERT_GT(ret, 0); + ASSERT_EQ(strcmp(list, "trusted.persistent"), 0) + + ASSERT_EQ(close(self->child_pidfd), 0); + self->child_pidfd = -EBADF; + sleep(2); + + self->child_pidfd = sys_pidfd_open(self->child_pid, 0); + ASSERT_GE(self->child_pidfd, 0); + + memset(buf, 0, sizeof(buf)); + ret = fgetxattr(self->child_pidfd, "trusted.persistent", buf, sizeof(buf)); + ASSERT_EQ(ret, strlen("persistent value")); + ASSERT_EQ(strcmp(buf, "persistent value"), 0); + + ret = flistxattr(self->child_pidfd, list, sizeof(list)); + ASSERT_GT(ret, 0); + ASSERT_EQ(strcmp(list, "trusted.persistent"), 0); +} + TEST_HARNESS_MAIN |