http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60548
Bug ID: 60548 Summary: [libvtv/scripts/sum-vtv-counts.c:108]: (warning) scanf without field width limit s can crash with huge input data. Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Source code is while (fscanf (fp_in, "%s %d %d %d %d %d\n", fname_in, &total, &verified, ®set, ®pair, &unused) != EOF) but char fname_in[1024]; Maybe better code might be while (fscanf (fp_in, "%1024s %d %d %d %d %d\n", fname_in, &total, &verified, ®set, ®pair, &unused) != EOF)