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(parent: 6a71c29) | patch
kselftest: arm64: mangle_pstate_invalid_mode_el[123][ht]
authorCristian Marussi <cristian.marussi@arm.com>
Fri, 25 Oct 2019 17:57:09 +0000 (18:57 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 8 Nov 2019 11:10:37 +0000 (11:10 +0000)
commit9aa5d5e5a246ac732917cf2e52cc36cd087854e5
tree998e67158043ae1471bd9e8212b369b21910a00ctree | snapshot
parent6a71c29cb733cec441d415f605b6fef98d3e3e51commit | diff
kselftest: arm64: mangle_pstate_invalid_mode_el[123][ht]

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>
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el1h.c [new file with mode: 0644] blob
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el1t.c [new file with mode: 0644] blob
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el2h.c [new file with mode: 0644] blob
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el2t.c [new file with mode: 0644] blob
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el3h.c [new file with mode: 0644] blob
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el3t.c [new file with mode: 0644] blob
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_template.h [new file with mode: 0644] blob
Linux Kernel Source Tree.