Corpus for sigaltstack:

Coverage	Program
2592	perf_event_open-openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack
1873	openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack
1568	syz_open_dev$sg-dup-mmap$IORING_OFF_SQ_RING-perf_event_open-sigaltstack-mprotect
1452	perf_event_open-ioctl$TCSETSF2-sigaltstack
553	perf_event_open-openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack
486	openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack
380	openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack
322	syz_open_dev$sg-dup-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-sigaltstack
241	openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack-sigaltstack
42	openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack-sigaltstack
40	openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack-sigaltstack
38	openat-mmap$IORING_OFF_SQ_RING-write$binfmt_elf64-sigaltstack-sigaltstack