Corpus for sigaltstack:

Coverage	Program
1225	mq_open-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-perf_event_open-sigaltstack
184	syz_io_uring_setup-syz_io_uring_submit-sigaltstack-sigaltstack
96	perf_event_open-syz_io_uring_setup-syz_io_uring_submit-sigaltstack
88	syz_io_uring_setup-syz_io_uring_submit-sigaltstack-sigaltstack
77	syz_io_uring_setup-syz_io_uring_submit-sigaltstack-sigaltstack
74	syz_io_uring_setup-syz_io_uring_submit-sigaltstack
61	syz_io_uring_setup-syz_io_uring_submit-sigaltstack
59	syz_io_uring_setup-syz_io_uring_submit-sigaltstack