On CentOS 7 (RHEL 7?), "errno" isn't set when vsyscall_gettimeofday fails. So, in such case, vsyscall_gettimeofday send SIGSEGV to the caller to report failure of gettimeofday operation.
On CentOS 7 (RHEL 7?), "errno" isn't set when vsyscall_gettimeofday fails. So, in such case, vsyscall_gettimeofday send SIGSEGV to the caller to report failure of gettimeofday operation.