Heap left redzone:     fa
Heap righ redzone:     fb
Freed Heap region:     fd
Stack left redzone:    f1
Stack mid redzone:     f2
Stack right redzone:   f3
Stack partial redzone: f4
Stack after return:    f5
Stack use after scope: f8
Global redzone:        f9
Global init order:     f6
Poisoned by user:      f7
ASan internal:         fe

#include <stdio.h>
#include <stdlib.h>
int main(int argc, const char *argv[])
{
char *buffer;
        buffer = malloc(1024);
sprintf(buffer, "Hello World\n");
printf("%s\n", buffer);
free(buffer);
printf("%s\n", buffer);
return 0;
}

CFLAGS=-Wall -g -fsanitize=address -fno-omit-frame-pointer
LDFLAGS=-fsanitize=address -static-libasan
all:demo
demo:demo.o
demo.o: %.o:%.c
clean:
$(RM) *.o demo
.PHONY:all clean

export ASAN_OPTIONS=abort_on_error=1:disable_coredump=0:unmap_shadow_on_exit=1:log_path=${PWD}/asan:malloc_context_size=15
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