kselftest: arm64: mangle_pstate_invalid_daif_bits

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Add a simple mangle testcase which messes with the ucontext_t from within
the signal handler, trying to set PSTATE DAIF bits to an invalid value
(masking everything). 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>

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Cristian Marussi 2019-10-25 18:57:08 +01:00 • committed by Catalin Marinas

parent f96bf43403

commit 0fc89f08df

1 changed files with 35 additions and 0 deletions

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tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_daif_bits.c

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