At 09:35 09.07.2018, Mahmood Naderan via gcc-help wrote: >I forgot to say that I am using gcc 6.4 and the command is > >gcc -g -m32 -fno-stack-protector -z execstack -o mico mico.c Maybe you should also post your own code and check e.g. if the used buffers are valid and have enough space. bye Fabi