From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C3FFF2D0C98 for ; Tue, 9 Jun 2026 10:43:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781001819; cv=none; b=tXqIrBGJe4Sk0he6kwu3GjfjQ4dPVkZyF51sDMc6vY+jII6gZcmnZWZIEGwiHRC5pcCzQ2FIuYHL46N7UI36zKosGAsOW6OnsPD6UT/+vmybSwMp05imlvG3dgFmGGrl0HfTKTohTHRuQgp2KtLxSFgCXBqBrpEjH6pw+sjF/PI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781001819; c=relaxed/simple; bh=g+9fvTSlgCJP8SYEqyMVc+8/p26clVdQdR2i1kNLlFo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZadPfbIB9x1y3EjePCSQHUfehmTItJTEDUxaIuVQmWRs0su6h3qR1bhcKloWpkgv85rhPxQmfcsNDP/SUgZ6VCpeDzIPAav3EUkPijDFA2W6QBvCYmrsJ6VnvWjcTzc696B7uO1da0IuhOG8n3OF/iVu4Ygw6lR3+D297p6fU+s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Q3OeMptd; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Q3OeMptd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD1661F00893; Tue, 9 Jun 2026 10:43:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781001818; bh=hDORVoTSDIt4W4NdMm5OW7kQS7eScIEjrKIhENvu5fI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Q3OeMptdZVE695CIyDb/PScD+b96fP8W/8l9wZ4fQmfmJICbSB1th/UZb3ufrAwrA XN9Esj73cF7tzCXcSFH9LTn56WOt0Tzcui2emY4jnWdNl1UKLqBu473CCXDP3A64Pd OGdpJOhKF/dDJ4lWVy346IqX6YIipo4MZn6pqMAKAJtzVOSE5TjMI01It79NngbQzi g8mTBWfKAWqGKcHRo2idJ02K2JGgSDmOq/c8j0EbjmtnNqr/Xn3dUcqJuBLMewV8uy Kp2R+pVT3s7vSkpG5DFMHwNhpPSjV26eq+274gH519BazMB+AOgdeDf1vpADK18ljj 0oYysSbIioWNA== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , Oleg Nesterov , Masami Hiramatsu Subject: [PATCH bpf-next 5/6] selftests/bpf: Add uprobe_multi path_fd fail tests Date: Tue, 9 Jun 2026 12:42:43 +0200 Message-ID: <20260609104244.588321-6-jolsa@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260609104244.588321-1-jolsa@kernel.org> References: <20260609104244.588321-1-jolsa@kernel.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Adding tests to attach_api_fails suite to make sure we fail wrong setup for path_fd usage. Signed-off-by: Jiri Olsa --- .../bpf/prog_tests/uprobe_multi_test.c | 32 ++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c b/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c index 8c9eba1d4084..71eea809dce3 100644 --- a/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c +++ b/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c @@ -537,7 +537,37 @@ static void test_attach_api_fails(void) link_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_UPROBE_MULTI, &opts); if (!ASSERT_ERR(link_fd, "link_fd")) goto cleanup; - ASSERT_EQ(link_fd, -EINVAL, "pid_is_wrong"); + if (!ASSERT_EQ(link_fd, -EINVAL, "pid_is_wrong")) + goto cleanup; + + /* wrong path_fd */ + LIBBPF_OPTS_RESET(opts, + .uprobe_multi.path = NULL, + .uprobe_multi.path_fd = -1, + .uprobe_multi.flags = BPF_F_UPROBE_MULTI_PATH_FD, + .uprobe_multi.offsets = (unsigned long *) &offset, + .uprobe_multi.cnt = 1, + ); + + link_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_UPROBE_MULTI, &opts); + if (!ASSERT_ERR(link_fd, "link_fd")) + goto cleanup; + if (!ASSERT_EQ(link_fd, -EBADF, "path_fd_is_wrong")) + goto cleanup; + + /* path and path_fd both set with BPF_F_UPROBE_MULTI_PATH_FD flag */ + LIBBPF_OPTS_RESET(opts, + .uprobe_multi.path = path, + .uprobe_multi.path_fd = 1, + .uprobe_multi.flags = BPF_F_UPROBE_MULTI_PATH_FD, + .uprobe_multi.offsets = (unsigned long *) &offset, + .uprobe_multi.cnt = 1, + ); + + link_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_UPROBE_MULTI, &opts); + if (!ASSERT_ERR(link_fd, "link_fd")) + goto cleanup; + ASSERT_EQ(link_fd, -EINVAL, "path_and_path_fd_together"); cleanup: if (link_fd >= 0) -- 2.54.0