From e4b7c4e6c9e71ff20309c66d37def67f0cbb003d Mon Sep 17 00:00:00 2001 From: David CARLIER Date: Wed, 11 Jan 2023 21:22:23 +0000 Subject: afl-gotcpu disable thread_affinity api on macos arm64. --- src/afl-gotcpu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/afl-gotcpu.c b/src/afl-gotcpu.c index 144ec9c9..c5b8a27a 100644 --- a/src/afl-gotcpu.c +++ b/src/afl-gotcpu.c @@ -174,7 +174,12 @@ int main(int argc, char **argv) { if (c == NULL) PFATAL("cpuset_create failed"); cpuset_set(i, c); - #elif defined(__APPLE__) + #elif defined(__APPLE__) && defined(__x86_64__) + // the api is not workable on arm64, core's principle + // differs significantly hive of core per type vs individual ones. + // Possible TODO: For arm64 is to slightly change the meaning + // of gotcpu since it makes no sense on this platform + // but rather just displaying current policy ? thread_affinity_policy_data_t c = {i}; thread_port_t native_thread = pthread_mach_thread_np(pthread_self()); if (thread_policy_set(native_thread, THREAD_AFFINITY_POLICY, -- cgit 1.4.1