Invalid read of size 1 at 0x........: local_strlen (bad_percentify.c:138) by 0x........: VG_vsprintf (bad_percentify.c:535) by 0x........: VG_sprintf (bad_percentify.c:545) by 0x........: VG_percentify (bad_percentify.c:572) by 0x........: VG_print_translation_stats (bad_percentify.c:625) by 0x........: main (bad_percentify.c:645) Address 0x........ expected vs actual: Expected: stack array "buf" of size 6 in frame 4 back from here Actual: unknown Actual: is 0 after Expected Invalid read of size 1 at 0x........: local_strlen (bad_percentify.c:138) by 0x........: myvprintf_str (bad_percentify.c:187) by 0x........: VG_debugLog_vprintf (bad_percentify.c:490) by 0x........: vprintf_to_buf (bad_percentify.c:89) by 0x........: vprintf_WRK (bad_percentify.c:102) by 0x........: VG_vprintf (bad_percentify.c:115) by 0x........: VG_printf (bad_percentify.c:124) by 0x........: VG_print_translation_stats (bad_percentify.c:626) by 0x........: main (bad_percentify.c:645) Address 0x........ expected vs actual: Expected: stack array "buf" of size 6 in frame 7 back from here Actual: unknown Actual: is 0 after Expected ERROR SUMMARY: 6 errors from 2 contexts (suppressed: 0 from 0)