Libfuzzer fix for Ctrl + c not working with -fork and -ignore_crashes=1 In some cases running Libfuzzer in fork mode with -ignore_crashes=1 counts ctrl+c as crash and restarts. Thread: https://github.com/google/oss-fuzz/issues/4547 Credit: Marcel Boehme <marcel.boehme@acm.org> Reviewed By: vitalybuka Differential Revision: https://reviews.llvm.org/D130990 NOKEYCHECK=True GitOrigin-RevId: aa0e9046c16bf27a8affbd903e2e3cad924a5217