From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 41CD52EE5E2 for ; Tue, 17 Jun 2025 15:45:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750175140; cv=none; b=iC7bkFtG9x+zrBFO34MjM4OpUauowo5hoHheuQokHQXxaKpA9bCMDNQ5b8hbSawnwqqjccVlG7TmOxVulE5jFZF4ctzKmbIdibFKDAaqxqxXHXsTatwC/bVnLCvKopUnP6jWxSOgHct1BWXblGSZfzkKw8nMom1+bAwCKfMIZ2w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750175140; c=relaxed/simple; bh=Vo9JV0UIUMjl0OnfHIT1TOulKdAbz8FHc1cKUQprIG0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=GmldYctTMWfN1UKsLd4D0mYxrz7KiJ87kXyYNqOd/I8O55x686jmB91xw13p8b/gsb3MZ+H7AqKiJq9cHYwRn+MEI2to+SpjEMpC4JiOFG9W+xrVMQ2huox7xs16lY25R4EiLdHYrhra2p/wBQBu5xELKHlac0a53aDASQ8qOjc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eOzx+cfk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eOzx+cfk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9BDFC4CEE7; Tue, 17 Jun 2025 15:45:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750175140; bh=Vo9JV0UIUMjl0OnfHIT1TOulKdAbz8FHc1cKUQprIG0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=eOzx+cfkOMdwz/X4w3RmwCr5/acaqJfK2UHK7ZstULcQI30LJmcjVC6iQgxf863ln rC+PfpR8pWA0/HFU3YTw1ezqqhAKk4aEbdh42YxVjyF9qRERrmiGKK+3G25E28rlOX PsDLpqjzZ5fNhKOSGSO8LRd5MGDKnpD7tzEGVtL0z2ejkuhNyWNY9NjRlvBhgZfQ5f vFapheD7yNv+MtBD5OU2jExRmW8jp4awjlXQSbDVxG9PADVwVfTrrSerWjsRAHuebC zWt8OVxJJkVh+nYUxf0jI3CiGIUjPLUd0EZzDVp4K7TnXIzMWOGJtIm0iKEowql6Xj WH/OsUAZKamlw== From: Christian Brauner Date: Tue, 17 Jun 2025 17:45:16 +0200 Subject: [PATCH RFC 6/7] selftests/pidfd: test extended attribute support Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250617-work-pidfs-xattr-v1-6-d9466a20da2e@kernel.org> References: <20250617-work-pidfs-xattr-v1-0-d9466a20da2e@kernel.org> In-Reply-To: <20250617-work-pidfs-xattr-v1-0-d9466a20da2e@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Jann Horn , Josef Bacik , Jeff Layton , Daan De Meyer , Lennart Poettering , Mike Yuan , =?utf-8?q?Zbigniew_J=C4=99drzejewski-Szmek?= , Christian Brauner , Alexander Mikhalitsyn X-Mailer: b4 0.15-dev-262a7 X-Developer-Signature: v=1; a=openpgp-sha256; l=1753; i=brauner@kernel.org; h=from:subject:message-id; bh=Vo9JV0UIUMjl0OnfHIT1TOulKdAbz8FHc1cKUQprIG0=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWQE9k6svj/v6c1//ft12XWW1fwLXb66Ic7g2hyTTROuh 56eV23wp6OUhUGMi0FWTJHFod0kXG45T8Vmo0wNmDmsTCBDGLg4BWAiAVMY/vDIXaq6Irsk9ABr Ri+nnfb2YwJMbbzsAX2rjD93rxcV+8HIcDngaBSvZibDnVfyT2bfnBdx+L4A869vvpd3uQYxG1b dYAYA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Test that extended attributes are permanent. Signed-off-by: Christian Brauner --- tools/testing/selftests/pidfd/pidfd_xattr_test.c | 35 ++++++++++++++++++++++++ 1 file changed, 35 insertions(+) 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 -- 2.47.2