linux-kernel - [PATCH v2 6/6] selftests/sgx: Add a bpftrace script for tracking allocation errors

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-next>] [day] [month] [year] [list]

Message-Id: <20220831173829.126661-7-jarkko@kernel.org>
Date:   Wed, 31 Aug 2022 20:38:29 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     linux-sgx@...r.kernel.org
Cc:     Haitao Huang <haitao.huang@...ux.intel.com>,
        Vijay Dhanraj <vijay.dhanraj@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        linux-kernel@...r.kernel.org (open list),
        linux-kselftest@...r.kernel.org (open list:KERNEL SELFTEST FRAMEWORK)
Subject: [PATCH v2 6/6] selftests/sgx: Add a bpftrace script for tracking allocation errors

Signed-off-by: Jarkko Sakkinen <jarkko@...nel.org>
---
v2:
* Added comments.
---
 tools/testing/selftests/sgx/alloc-error.bt | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 tools/testing/selftests/sgx/alloc-error.bt

diff --git a/tools/testing/selftests/sgx/alloc-error.bt b/tools/testing/selftests/sgx/alloc-error.bt
new file mode 100644
index 000000000000..0cc8b2e41852
--- /dev/null
+++ b/tools/testing/selftests/sgx/alloc-error.bt
@@ -0,0 +1,9 @@
+/* EPC allocation */
+kr:sgx_alloc_epc_page /(uint64)retval >= (uint64)(-4095)/ {
+		 printf("sgx_alloc_epc_page: retval=%d\n", (int64)retval);
+}
+
+/* kzalloc for struct sgx_encl_page */
+kr:sgx_encl_page_alloc /(uint64)retval >= (uint64)(-4095)/ {
+		 printf("sgx_encl_page_alloc: retval=%d\n", (int64)retval);
+}
-- 
2.37.2