selftest capabilities test failed on linux mainline and linux-next and PASS on linux-4.4.70+ Tested on HiKey ARM64 Development board. A bug reported in Linaro bug tracking system, LKFT: Capabilities test_execve fail Wrong effective state AT_SECURE is not set https://bugs.linaro.org/show_bug.cgi?id=2947 Please guide me to debug the reason for failure. Kernel config link, https://pastebin.com/P1uYmdMG Linux version 4.12.0-rc7-00004-gda8b14e (buildslave@x86-64-08) (gcc version 6.2.1 20161016 (Linaro GCC 6.2-2016.11) ) #1 SMP PREEMPT Mon Jun 26 20:04:35 UTC 2017 Linux version 4.12.0-rc7-next-20170627 (buildslave@x86-64-07) (gcc version 6.2.1 20161016 (Linaro GCC 6.2-2016.11)) #1 SMP PREEMPT Tue Jun 27 06:33:39 UTC 2017 LAVA job id: https://lkft.validation.linaro.org/scheduler/job/4397#L1412 Running tests in capabilities ======================================== [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [FAIL] Wrong effective state (AT_SECURE is not set) [OK] Capabilities after execve were correct [FAIL] Wrong ambient state (AT_SECURE is not set) [FAIL] Wrong ambient state (AT_SECURE is not set) [RUN] +++ Tests with uid == 0 +++ [NOTE] Using global UIDs for tests [RUN] Root => ep [OK] Child succeeded [OK] Check cap_ambient manipulation rules [OK] PR_CAP_AMBIENT_RAISE failed on non-inheritable cap [OK] PR_CAP_AMBIENT_RAISE failed on non-permitted cap [OK] PR_CAP_AMBIENT_RAISE worked [OK] Basic manipulation appears to work [RUN] Root +i => eip [OK] Child succeeded [RUN] UID 0 +ia => eipa [OK] Child succeeded [RUN] Root +ia, suidroot => eipa [OK] Child succeeded [RUN] Root +ia, suidnonroot => ip [FAIL] Child failed [RUN] Root +ia, sgidroot => eipa [OK] Child succeeded [FAIL] Child failed [RUN] Root +ia, sgidnonroot => eip [FAIL] Child failed [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [FAIL] Wrong effective state (AT_SECURE is not set) [FAIL] Child failed [FAIL] Child failed selftests: test_execve [FAIL] capabilities test PASS on Linux-4.4.70+. Running tests in capabilities ======================================== case: step_after_suspend_test definition: 1_kselftest result: skip [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [RUN] +++ Tests with uid == 0 +++ [NOTE] Using global UIDs for tests [RUN] Root => ep [OK] Child succeeded [OK] Check cap_ambient manipulation rules [OK] PR_CAP_AMBIENT_RAISE failed on non-inheritable cap [OK] PR_CAP_AMBIENT_RAISE failed on non-permitted cap [OK] PR_CAP_AMBIENT_RAISE worked [OK] Basic manipulation appears to work [RUN] Root +i => eip [OK] Child succeeded [RUN] UID 0 +ia => eipa [OK] Child succeeded [RUN] Root +ia, suidroot => eipa [OK] Child succeeded [RUN] Root +ia, suidnonroot => ip [OK] Child succeeded [RUN] Root +ia, sgidroot => eipa [OK] Child succeeded [OK] Child succeeded [RUN] Root +ia, sgidnonroot => eip [OK] Child succeeded [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Capabilities after execve were correct [OK] Child succeeded [OK] Child succeeded selftests: test_execve [PASS] Thanks and best regards, Naresh Kamboju -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
