gpsd: buffer overflow in sirf_msg_ppstime

With the following new fuzz target generated by https://github.com/google/oss-fuzz-gen: include include include include "gpsdconfig.h" // Include gpsdconfig.h first include "/src/gpsd/gpsd-3.25.1dev/include/gpsd.h" define FUZZBUFFERSIZE 1024 int LLVMFuzzerTestOneInputconst uint8t data, sizet size...