Blackbird™ Linux sources for OpenPOWER https://git.raptorcs.com/git/blackbird-op-linux/atom?h=master 2019-11-11T18:25:24+00:00 2019-11-11T18:25:24+00:00 Colin Ian King colin.king@canonical.com 2019-11-11T09:12:36+00:00 urn:sha1:32667745cab91cda458fade64d591136dff1422b There is a spelling mistake in an error message literal string. Fix it. Fixes: f96bf4340316 ("kselftest: arm64: mangle_pstate_invalid_compat_toggle and common utils") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:52+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:17+00:00 urn:sha1:3f484ce3750f7a29c3be806e891de99aa5c4ca43 Add a simple fake_sigreturn testcase which places a valid sigframe on a non-16 bytes aligned SP. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:50+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:16+00:00 urn:sha1:49978aa8f079633192928cb966dcde39a3ff0747 Add a simple fake_sigreturn testcase which builds a ucontext_t with a badly sized header that causes a overrun in the __reserved area and place it onto the stack. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:48+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:15+00:00 urn:sha1:46185cd1241b46c94933752137cde18ecfaf3766 Add a simple fake_sigreturn testcase which builds a ucontext_t with an anomalous additional fpsimd_context and place it onto the stack. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:46+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:14+00:00 urn:sha1:8aa9d08fcb5368777f64d4a7c94899159249f0a0 Add a simple fake_sigreturn testcase which builds a ucontext_t without the required fpsimd_context and place it onto the stack. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:44+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:13+00:00 urn:sha1:4c94a0ba02b20068a8e3f80b471dfcedb5c8800a Add a simple fake_sigreturn testcase which builds a ucontext_t with a badly sized terminator record and place it onto the stack. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:42+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:12+00:00 urn:sha1:6c2aa4284513585e9cc0c25b125ab4d57ef4ce76 Add a simple fake_sigreturn testcase which builds a ucontext_t with a bad magic header and place it onto the stack. Expects a SIGSEGV on test PASS. Introduce a common utility assembly trampoline function to invoke a sigreturn while placing the provided sigframe at wanted alignment and also an helper to make space when needed inside the sigframe reserved area. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:41+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:11+00:00 urn:sha1:34306b05d3106447c87d29d262e824ca4a30c569 Introduce a new common utility function get_current_context() which can be used to grab a ucontext without the help of libc, and also to detect if such ucontext has been successfully used by placing it on the stack as a fake sigframe. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:39+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:10+00:00 urn:sha1:837387a2cbc719667822856beabac127921a36c4 Extend signal testing framework to allow the definition of a custom per test initialization function to be run at the end of the common test_init after test setup phase has completed and before test-run routine. This custom per-test initialization function also enables the test writer to decide on its own when forcibly skip the test itself using standard KSFT mechanism. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> 2019-11-08T11:10:37+00:00 Cristian Marussi cristian.marussi@arm.com 2019-10-25T17:57:09+00:00 urn:sha1:c2820987047c08d813396b2b1d8ac2894ba0bd5f Add 6 simple mangle testcases that mess with the ucontext_t from within the signal handler, trying to toggle PSTATE mode bits to trick the system into switching to EL1/EL2/EL3 using both SP_EL0(t) and SP_ELx(h). Expects SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>