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kselftest: arm64: mangle_pstate_invalid_daif_bits
authorCristian Marussi <cristian.marussi@arm.com>
Fri, 25 Oct 2019 17:57:08 +0000 (18:57 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 8 Nov 2019 11:10:35 +0000 (11:10 +0000)
commit6a71c29cb733cec441d415f605b6fef98d3e3e51
tree07f452f955fccb67fa9b26ad2c8e282a7755c997tree | snapshot
parent77482a59fdf01bdacd84b7a881a55d1eed052813commit | diff
kselftest: arm64: mangle_pstate_invalid_daif_bits

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>
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_daif_bits.c [new file with mode: 0644] blob
Linux Kernel Source Tree.