Your bug report #34140: AddressSanitizer reported heap-buffer-overflow when ignoring case which was filed against the grep package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 34140@debbugs.gnu.org. -- 34140: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems