func: void CWE195_Signed_to_Unsigned_Conversion_Error__fgets_malloc_32_bad() int data ; int * dataPtr2 = & data ; data = - 1; char inputBuffer [ CHAR_ARRAY_SIZE ] = "" ; if ( fgets ( inputBuffer , CHAR_ARRAY_SIZE , stdin ) != NULL )  data = atoi ( inputBuffer ); int data = * dataPtr2 ; if ( data < 100 )  char * dataBuffer = ( char * ) malloc ( data ) ; memset ( dataBuffer , 'A' , data - 1 ); dataBuffer [ data - 1 ] = '\0'; free ( dataBuffer ); 