linux-kernel - [PATCH 3/3] selftests: pci_endpoint: Skip IRQ test if irq is out of range.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250804170916.3212221-4-christian.bruel@foss.st.com>
Date: Mon, 4 Aug 2025 19:09:16 +0200
From: Christian Bruel <christian.bruel@...s.st.com>
To: <mani@...nel.org>, <kwilczynski@...nel.org>, <kishon@...nel.org>,
        <arnd@...db.de>, <gregkh@...uxfoundation.org>, <shuah@...nel.org>
CC: <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-kselftest@...r.kernel.org>,
        Christian Bruel
	<christian.bruel@...s.st.com>
Subject: [PATCH 3/3] selftests: pci_endpoint: Skip IRQ test if irq is out of range.

The pcie_endpoint_framework tests the entire MSI(x) range, which generate
false errors on platforms that do not support the whole range.

This patch skips the test in such cases and reports accordingly.

Signed-off-by: Christian Bruel <christian.bruel@...s.st.com>
---
 tools/testing/selftests/pci_endpoint/pci_endpoint_test.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c b/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c
index da0db0e7c969..cd9075444c32 100644
--- a/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c
+++ b/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c
@@ -121,6 +121,8 @@ TEST_F(pci_ep_basic, MSI_TEST)
 
 	for (i = 1; i <= 32; i++) {
 		pci_ep_ioctl(PCITEST_MSI, i);
+		if (ret == -EINVAL)
+			SKIP(return, "MSI%d is disabled", i);
 		EXPECT_FALSE(ret) TH_LOG("Test failed for MSI%d", i);
 	}
 }
@@ -137,6 +139,8 @@ TEST_F(pci_ep_basic, MSIX_TEST)
 
 	for (i = 1; i <= 2048; i++) {
 		pci_ep_ioctl(PCITEST_MSIX, i);
+		if (ret == -EINVAL)
+			SKIP(return, "MSI-X%d is disabled", i);
 		EXPECT_FALSE(ret) TH_LOG("Test failed for MSI-X%d", i);
 	}
 }
-- 
2.34.1